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1. What is Normalisation?
Normalisation as used in the Indian context is a process for ensuring that students are neither advantaged nor
disadvantaged by the difficulty of exams that they do for the Boards. This process is used in other countries with similar
issues as in India.
2. Normalisation Process requires us to know the following
Percentile Score
Percentile score of a Candidate in a Board or JEE (Main) will reflect what Percentage of Candidates have scored below that
Candidate in that Board or JEE (Main) Examination.
A Percentile score is the value of below which a certain Percent of observations fall. For example, the 20th Percentile is
the value (or score) below which 20 Percent of the observations may be found.
The Percentile of a Candidate will be calculated as
Example : Suppose we have , 13711 Candidates in a Board ABCD and a Candidate who has scored 60% of Board marks
has 6865 Candidates below him; his Percentile score will be calculated as follows
𝑷𝒆𝒓𝒄𝒆𝒏𝒕𝒊𝒍𝒆 𝒔𝒄𝒐𝒓𝒆 𝒇𝒐𝒓 𝟔𝟎% 𝒐𝒇 𝑩𝒐𝒂𝒓𝒅 𝑴𝒂𝒓𝒌𝒔 =
𝟔𝟖𝟔𝟓
𝟏𝟑𝟕𝟏𝟏
∗ 𝟏𝟎𝟎
𝑷𝒆𝒓𝒄𝒆𝒏𝒕𝒊𝒍𝒆 = 𝟓𝟎.07
Table 1: Percentage and corresponding Percentile score of 13711 Candidates of Board ABCD.
Board Percentage
(B0)
No of candidates below
candidate the with Board
Percentage B0
Percentile Calculation
corresponding to B0
Percentile Score
(P)
7% 317 100 X (317/13711) 2.31
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349 100 X (1349/13711) 9.84
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627 100 X (6627/13711) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865 100 X (6865/13711) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203 100 X (12203/13711) 89.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322 100 X (12322/13711) 89.87
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
91% 13274 100 X (13274/13711) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
94% 13592 100 X (13592/13711) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651 100 X (13651/13711) 99.56
Graphical view of Percentage and their corresponding Percentile of data of 13711 Candidates of Board ABCD is shown
the chart 1. Two Board Percentage Marks and corresponding Percentile have also been discussed.
In the above chart,
(A) 85% Board marks correspond to 89.87 Percentile
(B) 60% Board marks correspond to 50.07 Percentile
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
BoardPercentage(B0)
Percentile (P) Based on Board Percentage B0
Total Students 13711
A score of 60% in this Board exam corresponds to Percentile of 50.07,
that is 50.07% of students scored below 60% in Board exams.
A score of 85% in this Board exams corresponds to Percentile of 89.87, that is 89.87%
candidates scored less than 85% in Board exams.
A
B
Chart 1
3. Normalisation of Board Marks for JEE (Main)
To find out normalised marks of a Candidate from the Board ABCD who has scored, say , 60% in the Board, following are
required to be done :-
Step 1. Calculate Percentile (Pi) of the Candidate with reference to the group of Candidates of Board ABCD who also
satisfy the eligibility criteria of JEE (Main).
From the Table 2, this is 50.07
Table 2: Showing the Percentage score in a particular Board, say, ABCD of 13711 Candidates who satisfy the eligibility
criteria of JEE (Main) and their corresponding Percentile (P).
Board Percentage
(B0)
No of candidates below
candidate the with Board
Percentage (B0)
Percentile Calculation
corresponding to B0
Percentile
(P)
5% 200 100 X (200/13711) 1.46
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
7% 317 100 X (317/13711) 2.31
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
12% 450 100 X (450/13711) 3.28
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349 100 X (1349/13711) 9.84
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627 100 X (6627/13711) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865 100 X (6865/13711) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203 100 X (12203/13711) 89.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322 100 X (12322/13711) 89.87
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
91% 13274 100 X (13274/13711) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
94% 13592 100 X (13592/13711) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651 100 X (13651/13711) 99.56
Step 2. Arrange JEE (Main) score of all 11.5 lakhs Candidates in ascending order and find out Percentile for each score.
Table 3: Showing the JEE (Main) score of 11.5 lakhs Candidates and their corresponding Percentile (P).
JEE (Main) Score
No of candidates below
candidate the with JEE
(Main) Score
Percentile Calculation
corresponding to JEE
(Main)
Percentile
(P)
10 26673 100 X (26673/1153667) 2.31
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
18 48381 100 X (48381/1153667) 4.19
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
20 65126 100 X (65126/1153667) 5.65
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
30 113507 100 X (113507/1153667) 9.84
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
35 230733 100 X (230733/1153667) 20.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
41 403785 100 X (403785/1153667) 35.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
43 557607 100 X (557607/1153667) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
48 577633 100 X (577633/1153667) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
80 1116897 100 X (1116897/1153667) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
218 1143654 100 X (1143654/1153667) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
343 1153007 100 X (1153007/1153667) 99.94
Step 3. Arrange JEE (Main) score of Candidates from Board ABCD only, in ascending order and find out the Percentile for
each score.
Table 4: Showing the JEE (Main) score of Candidates from Board ABCD who satisfy the eligibility criteria of JEE
(Main) and their corresponding Percentile (P).
JEE (Main) Score
No of candidates below
candidate the with JEE (Main)
Score
Percentile Calculation
corresponding to JEE
(Main)
Percentile
(P)
4 31 100 X (31/13711) 0.23
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
12 400 100 X (400/13711) 2.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
15 812 100 X (812/13711) 5.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
20 1350 100 X (1350/13711) 9.85
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60 6627 100 X (6627/13711) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
80 6865 100 X (6865/13711) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
100 12203 100 X (12203/13711) 89.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
130 12322 100 X (12322/13711) 89.87
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
150 13274 100 X (13274/13711) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
220 13592 100 X (13592/13711) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
338 13651 100 X (13651/13711) 99.56
Step 4. 4.i Use Percentile (Pi), 50.07, calculated from step 1 (Table 2) and find out the same Percentile in the Percentile
calculated in step 2 (Table 3).
Board
Percentage
(B0)
No of candidates
below candidate the
with Board
Percentage B0
Percentile
Calculation
corresponding to
B0
Percentile
(P)
JEE
(Main)
Score
No of
candidates
below candidate
the with JEE
(Main) Score
Percentile
Calculation
corresponding to
JEE (Main)
Percentile
(P)
5% 200 100 X (200/13711) 1.46 10 26673
100 X
(26673/1153667)
2.31
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
7% 317 100 X (317/13711) 2.31 18 48381
100 X
(48381/1153667)
4.19
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
12% 450 100 X (450/13711) 3.28 20 65126
100 X
(65126/1153667)
5.65
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19 30 113507
100 X
(113507/1153667)
9.84
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65 35 230733
100 X
(230733/1153667)
20.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349
100 X
(1349/13711)
9.84 41 403785
100 X
(403785/1153667)
35.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627
100 X
(6627/13711)
48.33 43 557607
100 X
(557607/1153667)
48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865
100 X
(6865/13711)
50.07
48 577633
100 X
(577633/1153667)
50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203
100 X
(12203/13711)
89.00 80 1116897
100 X
(1116897/1153667)
96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322
100 X
(12322/13711)
89.87 218 1143654
100 X
(1143654/1153667)
99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651
100 X
(13651/13711)
99.56 343 1153007
100 X
(1153007/1153667)
99.94
Table 2 (Reproduced) Table 3 (Reproduced)
4.ii Now, to find B1, find out JEE (Main) score, corresponding to the matched Percentile in 4.i above. This is B1.
Here, B1 = 48.
Board
Percentage
(B0)
No of candidates
below candidate the
with Board Percentage
B0
Percentile Calculation
corresponding to B0
Percentile
(P)
JEE
(Main)
Score
No of candidates
below candidate
the with JEE (Main)
Score
Percentile Calculation
corresponding to JEE
(Main)
Percentile
(P)
5% 200 100 X (200/13711) 1.46 10 26673 100 X (26673/1153667) 2.31
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
7% 317 100 X (317/13711) 2.31 18 48381 100 X (48381/1153667) 4.19
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
12% 450 100 X (450/13711) 3.28 20 65126 100 X (65126/1153667) 5.65
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19 30 113507 100 X (113507/1153667) 9.84
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65 35 230733 100 X (230733/1153667) 20.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349 100 X (1349/13711) 9.84 41 403785 100 X (403785/1153667) 35.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627 100 X (6627/13711) 48.33 43 557607 100 X (557607/1153667) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865 100 X (6865/13711) 50.07 48 577633 100 X (577633/1153667) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203 100 X (12203/13711) 89.00 80 1116897
100 X
(1116897/1153667)
96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322 100 X (12322/13711) 89.87 218 1143654
100 X
(1143654/1153667)
99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651 100 X (13651/13711) 99.56 343 1153007
100 X
(1153007/1153667)
99.94
Table 2 (Reproduced) Table 3 (Reproduced)
Step 5. 5.i Use Percentile (Pi), 50.07, calculated from step 1 (Table 2) and find out the same Percentile in the Percentile
calculated in step 3 (Table 4).
Board Percentage
(B0)
No of candidates
below candidate the
with Board
Percentage B0
Percentile
Calculation
corresponding to B0
Percentile
(P)
JEE
Score
No of candidates
below candidate
the with JEE (Main)
Score
Percentile
Calculation
corresponding to JEE
(Main)
Percentile
(P)
7% 317 100 X (317/13711) 2.31 4 31 100 X (31/13711) 0.23
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19 12 400 100 X (400/13711) 2.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65 15 812 100 X (812/13711) 5.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349 100 X (1349/13711) 9.84 20 1350 100 X (1350/13711) 9.85
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627 100 X (6627/13711) 48.33 60 6627 100 X (6627/13711) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865 100 X (6865/13711) 50.07 80 6865 100 X (6865/13711) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203
100 X
(12203/13711)
89.00 100 12203 100 X (12203/13711) 89.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322
100 X
(12322/13711)
89.87 130 12322 100 X (12322/13711) 89.87
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
91% 13274
100 X
(13274/13711)
96.81 150 13274 100 X (13274/13711) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
94% 13592
100 X
(13592/13711)
99.13 220 13592 100 X (13592/13711) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651
100 X
(13651/13711)
99.56 338 13651 100 X (13651/13711) 99.56
Table 2 (Reproduced) Table 4 (Reproduced)
5. ii Now, to find B2, find out JEE (Main) score, corresponding to the matched Percentile in 5.i. above. This is B2.
Here B2 = 80.
Board
Percentage
(B0)
No of candidates
below candidate the
with Board Percentage
B0
Percentile
Calculation
corresponding to
B0
Percentile
(P)
JEE
Score
No of candidates
below candidate the
with JEE (Main) Score
Percentile Calculation
corresponding to JEE
(Main)
Percentile
(P)
7% 317 100 X (317/13711) 2.31 4 31 100 X (31/13711) 0.23
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
13% 575 100 X (575/13711) 4.19 12 400 100 X (400/13711) 2.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
21% 774 100 X (774/13711) 5.65 15 812 100 X (812/13711) 5.92
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
29% 1349 100 X (1349/13711) 9.84 20 1350 100 X (1350/13711) 9.85
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
58% 6627 100 X (6627/13711) 48.33 60 6627 100 X (6627/13711) 48.33
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
60% 6865 100 X (6865/13711) 50.07 80 6865 100 X (6865/13711) 50.07
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
84% 12203
100 X
(12203/13711)
89.00 100 12203 100 X (12203/13711) 89.00
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
85% 12322
100 X
(12322/13711)
89.87 130 12322 100 X (12322/13711) 89.87
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
91% 13274
100 X
(13274/13711)
96.81 150 13274 100 X (13274/13711) 96.81
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
94% 13592
100 X
(13592/13711)
99.13 220 13592 100 X (13592/13711) 99.13
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
---------
---------
---------
.
.
.
---------
---------
---------
---------
---------
---------
96% 13651
100 X
(13651/13711)
99.56 338 13651 100 X (13651/13711) 99.56
Table 2 (Reproduced) Table 4 (Reproduced)
Step 6. Normalised Board mark of the Candidate from Board ABCD who has scored 60% will be
Bfinal = 0.5 * (B1 + B2)
=> Bfinal = 0.5 * (48+80)
=> Bfinal = 0.5 * (128)
=> Bfinal = 64

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  • 1. 1. What is Normalisation? Normalisation as used in the Indian context is a process for ensuring that students are neither advantaged nor disadvantaged by the difficulty of exams that they do for the Boards. This process is used in other countries with similar issues as in India. 2. Normalisation Process requires us to know the following Percentile Score Percentile score of a Candidate in a Board or JEE (Main) will reflect what Percentage of Candidates have scored below that Candidate in that Board or JEE (Main) Examination. A Percentile score is the value of below which a certain Percent of observations fall. For example, the 20th Percentile is the value (or score) below which 20 Percent of the observations may be found. The Percentile of a Candidate will be calculated as Example : Suppose we have , 13711 Candidates in a Board ABCD and a Candidate who has scored 60% of Board marks has 6865 Candidates below him; his Percentile score will be calculated as follows 𝑷𝒆𝒓𝒄𝒆𝒏𝒕𝒊𝒍𝒆 𝒔𝒄𝒐𝒓𝒆 𝒇𝒐𝒓 𝟔𝟎% 𝒐𝒇 𝑩𝒐𝒂𝒓𝒅 𝑴𝒂𝒓𝒌𝒔 = 𝟔𝟖𝟔𝟓 𝟏𝟑𝟕𝟏𝟏 ∗ 𝟏𝟎𝟎 𝑷𝒆𝒓𝒄𝒆𝒏𝒕𝒊𝒍𝒆 = 𝟓𝟎.07
  • 2. Table 1: Percentage and corresponding Percentile score of 13711 Candidates of Board ABCD. Board Percentage (B0) No of candidates below candidate the with Board Percentage B0 Percentile Calculation corresponding to B0 Percentile Score (P) 7% 317 100 X (317/13711) 2.31 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 91% 13274 100 X (13274/13711) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 94% 13592 100 X (13592/13711) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56
  • 3. Graphical view of Percentage and their corresponding Percentile of data of 13711 Candidates of Board ABCD is shown the chart 1. Two Board Percentage Marks and corresponding Percentile have also been discussed. In the above chart, (A) 85% Board marks correspond to 89.87 Percentile (B) 60% Board marks correspond to 50.07 Percentile 0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100% 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 BoardPercentage(B0) Percentile (P) Based on Board Percentage B0 Total Students 13711 A score of 60% in this Board exam corresponds to Percentile of 50.07, that is 50.07% of students scored below 60% in Board exams. A score of 85% in this Board exams corresponds to Percentile of 89.87, that is 89.87% candidates scored less than 85% in Board exams. A B Chart 1
  • 4. 3. Normalisation of Board Marks for JEE (Main) To find out normalised marks of a Candidate from the Board ABCD who has scored, say , 60% in the Board, following are required to be done :- Step 1. Calculate Percentile (Pi) of the Candidate with reference to the group of Candidates of Board ABCD who also satisfy the eligibility criteria of JEE (Main). From the Table 2, this is 50.07 Table 2: Showing the Percentage score in a particular Board, say, ABCD of 13711 Candidates who satisfy the eligibility criteria of JEE (Main) and their corresponding Percentile (P). Board Percentage (B0) No of candidates below candidate the with Board Percentage (B0) Percentile Calculation corresponding to B0 Percentile (P) 5% 200 100 X (200/13711) 1.46 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 7% 317 100 X (317/13711) 2.31 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 12% 450 100 X (450/13711) 3.28 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 91% 13274 100 X (13274/13711) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 94% 13592 100 X (13592/13711) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56
  • 5. Step 2. Arrange JEE (Main) score of all 11.5 lakhs Candidates in ascending order and find out Percentile for each score. Table 3: Showing the JEE (Main) score of 11.5 lakhs Candidates and their corresponding Percentile (P). JEE (Main) Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 10 26673 100 X (26673/1153667) 2.31 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 18 48381 100 X (48381/1153667) 4.19 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 20 65126 100 X (65126/1153667) 5.65 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 30 113507 100 X (113507/1153667) 9.84 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 35 230733 100 X (230733/1153667) 20.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 41 403785 100 X (403785/1153667) 35.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 43 557607 100 X (557607/1153667) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 48 577633 100 X (577633/1153667) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 80 1116897 100 X (1116897/1153667) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 218 1143654 100 X (1143654/1153667) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 343 1153007 100 X (1153007/1153667) 99.94
  • 6. Step 3. Arrange JEE (Main) score of Candidates from Board ABCD only, in ascending order and find out the Percentile for each score. Table 4: Showing the JEE (Main) score of Candidates from Board ABCD who satisfy the eligibility criteria of JEE (Main) and their corresponding Percentile (P). JEE (Main) Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 4 31 100 X (31/13711) 0.23 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 12 400 100 X (400/13711) 2.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 15 812 100 X (812/13711) 5.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 20 1350 100 X (1350/13711) 9.85 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60 6627 100 X (6627/13711) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 80 6865 100 X (6865/13711) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 100 12203 100 X (12203/13711) 89.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 130 12322 100 X (12322/13711) 89.87 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 150 13274 100 X (13274/13711) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 220 13592 100 X (13592/13711) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 338 13651 100 X (13651/13711) 99.56
  • 7. Step 4. 4.i Use Percentile (Pi), 50.07, calculated from step 1 (Table 2) and find out the same Percentile in the Percentile calculated in step 2 (Table 3). Board Percentage (B0) No of candidates below candidate the with Board Percentage B0 Percentile Calculation corresponding to B0 Percentile (P) JEE (Main) Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 5% 200 100 X (200/13711) 1.46 10 26673 100 X (26673/1153667) 2.31 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 7% 317 100 X (317/13711) 2.31 18 48381 100 X (48381/1153667) 4.19 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 12% 450 100 X (450/13711) 3.28 20 65126 100 X (65126/1153667) 5.65 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 30 113507 100 X (113507/1153667) 9.84 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 35 230733 100 X (230733/1153667) 20.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 41 403785 100 X (403785/1153667) 35.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 43 557607 100 X (557607/1153667) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 48 577633 100 X (577633/1153667) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 80 1116897 100 X (1116897/1153667) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 218 1143654 100 X (1143654/1153667) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56 343 1153007 100 X (1153007/1153667) 99.94 Table 2 (Reproduced) Table 3 (Reproduced)
  • 8. 4.ii Now, to find B1, find out JEE (Main) score, corresponding to the matched Percentile in 4.i above. This is B1. Here, B1 = 48. Board Percentage (B0) No of candidates below candidate the with Board Percentage B0 Percentile Calculation corresponding to B0 Percentile (P) JEE (Main) Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 5% 200 100 X (200/13711) 1.46 10 26673 100 X (26673/1153667) 2.31 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 7% 317 100 X (317/13711) 2.31 18 48381 100 X (48381/1153667) 4.19 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 12% 450 100 X (450/13711) 3.28 20 65126 100 X (65126/1153667) 5.65 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 30 113507 100 X (113507/1153667) 9.84 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 35 230733 100 X (230733/1153667) 20.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 41 403785 100 X (403785/1153667) 35.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 43 557607 100 X (557607/1153667) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 48 577633 100 X (577633/1153667) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 80 1116897 100 X (1116897/1153667) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 218 1143654 100 X (1143654/1153667) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56 343 1153007 100 X (1153007/1153667) 99.94 Table 2 (Reproduced) Table 3 (Reproduced)
  • 9. Step 5. 5.i Use Percentile (Pi), 50.07, calculated from step 1 (Table 2) and find out the same Percentile in the Percentile calculated in step 3 (Table 4). Board Percentage (B0) No of candidates below candidate the with Board Percentage B0 Percentile Calculation corresponding to B0 Percentile (P) JEE Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 7% 317 100 X (317/13711) 2.31 4 31 100 X (31/13711) 0.23 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 12 400 100 X (400/13711) 2.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 15 812 100 X (812/13711) 5.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 20 1350 100 X (1350/13711) 9.85 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 60 6627 100 X (6627/13711) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 80 6865 100 X (6865/13711) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 100 12203 100 X (12203/13711) 89.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 130 12322 100 X (12322/13711) 89.87 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 91% 13274 100 X (13274/13711) 96.81 150 13274 100 X (13274/13711) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 94% 13592 100 X (13592/13711) 99.13 220 13592 100 X (13592/13711) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56 338 13651 100 X (13651/13711) 99.56 Table 2 (Reproduced) Table 4 (Reproduced)
  • 10. 5. ii Now, to find B2, find out JEE (Main) score, corresponding to the matched Percentile in 5.i. above. This is B2. Here B2 = 80. Board Percentage (B0) No of candidates below candidate the with Board Percentage B0 Percentile Calculation corresponding to B0 Percentile (P) JEE Score No of candidates below candidate the with JEE (Main) Score Percentile Calculation corresponding to JEE (Main) Percentile (P) 7% 317 100 X (317/13711) 2.31 4 31 100 X (31/13711) 0.23 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 13% 575 100 X (575/13711) 4.19 12 400 100 X (400/13711) 2.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 21% 774 100 X (774/13711) 5.65 15 812 100 X (812/13711) 5.92 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 29% 1349 100 X (1349/13711) 9.84 20 1350 100 X (1350/13711) 9.85 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 58% 6627 100 X (6627/13711) 48.33 60 6627 100 X (6627/13711) 48.33 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 60% 6865 100 X (6865/13711) 50.07 80 6865 100 X (6865/13711) 50.07 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 84% 12203 100 X (12203/13711) 89.00 100 12203 100 X (12203/13711) 89.00 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 85% 12322 100 X (12322/13711) 89.87 130 12322 100 X (12322/13711) 89.87 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 91% 13274 100 X (13274/13711) 96.81 150 13274 100 X (13274/13711) 96.81 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 94% 13592 100 X (13592/13711) 99.13 220 13592 100 X (13592/13711) 99.13 --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- --------- --------- --------- . . . --------- --------- --------- --------- --------- --------- 96% 13651 100 X (13651/13711) 99.56 338 13651 100 X (13651/13711) 99.56 Table 2 (Reproduced) Table 4 (Reproduced)
  • 11. Step 6. Normalised Board mark of the Candidate from Board ABCD who has scored 60% will be Bfinal = 0.5 * (B1 + B2) => Bfinal = 0.5 * (48+80) => Bfinal = 0.5 * (128) => Bfinal = 64