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La actualidad más candente (17)
Tugas i uji normalitas
- 2. 42
43
44
45
46
47
48
49
50
81
84
-3
82
84
-2
82
86
-4
82
86
-4
82
86
-4
83
87
-4
83
87
-4
83
88
-5
84
89
-5
JUMLAH NILAI W HITUNG =
33.5
21.5
38.5
38.5
38.5
38.5
38.5
42.5
42.5
133.5
33.5
21.5
38.5
38.5
38.5
38.5
38.5
42.5
42.5
901.5
W untuk tabel A-B
W = n(n+1) – x √n(n+1) (2n+1)
4
24
= 50(50+1) – 2,5758 √50(50+1) (2x50+1)
4
24
= 50(51) – 2,5758 √50(51) (101)
4
24
= 2550 – 2,5758 √257.550
4
24
= 637,5 – 2,5758 √10731,25
= 637,5 – (2,5758 x 103,591)
= 637,5 – 266,829
= 370,671
Whit : 133,5
Keterangan : Whit kurang dari Wdaftar maka data tersebut berbeda dengan sangat
signifikan.
- 3. NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
A
C
68
69
70
71
71
71
71
72
72
72
73
73
74
75
75
76
76
76
76
76
76
77
77
77
77
78
78
78
79
79
79
79
79
80
80
80
80
81
81
81
81
81
82
A-C
54
55
57
58
58
58
60
60
61
61
62
63
63
64
64
64
64
64
66
67
67
70
71
71
72
75
75
75
76
77
78
79
81
82
83
83
84
85
85
86
86
87
87
14
14
13
13
13
13
11
12
11
11
11
10
11
11
11
12
12
12
10
9
9
7
6
6
5
3
3
3
3
2
1
0
-2
-2
-3
-3
-4
-4
-4
-5
-5
-6
-5
AC
48,5
48,5
45,5
45,5
45,5
45,5
36
41,5
36
36
36
47
36
36
36
41,5
41,5
41,5
47
44
44
78,5
65,5
65,5
16
7,5
7,5
7,5
7,5
3
1
3
3
7,5
7,5
12
12
12
16
16
65,5
16
RANK
positif
negatif
48,5
48,5
45,5
45,5
45,5
45,5
36
41,5
36
36
36
47
36
36
36
41,5
41,5
41,5
47
44
44
78,5
65,5
65,5
16
7,5
7,5
7,5
7,5
3
1
3
3
7,5
7,5
12
12
12
16
16
65,5
16
- 4. 44
45
46
47
48
49
50
ket
:
82
87
-5
82
89
-7
82
89
-7
83
89
-6
83
90
-7
83
91
-8
84
92
-8
Jumlah nilai w hitung
16
78,5
78,5
65,5
78,5
41
41
1138,5
16
78,5
78,5
65,5
78,5
41
41
569,5
Jumlah nilai terkecil = jumlah nilai w hitung
W 0 , 01
W 0 , 01
n(n
1)
x
n(n
4
n(n
1)( 2 n
1)
24
1)
4
x
n(n
1)( 2 n
1)
24
W untuk Tabel Data A-C
W0,01 = n(n+1) – x √n(n+1) (2n+1)
4
24
= 50(50+1) – 2,5758 √50(50+1) (2x50+1)
4
24
= 50(51) – 2,5758 √50(51) (101)
4
24
= 2550 – 2,5758 √257.550
4
24
= 637,5 – 2,5758 √10731,25
= 637,5 – (2,5758 x 103,591)
= 637,5 – 266,829
= 370,671
Whit = 290,5
Keterangan : Whit kurang dari Wdaftar maka data tersebut berbeda dengan sangat
signifikan.
- 5. Untuk tabel B – C dengan uji t dan t1
Tabel B (Data Sains)
A. UJI NORMALITAS
n=50 nb=89 nk=60
1) K = 1+3.3 log n
= 1+3,3 log 50
= 1+3,3 (1,699)
= 1+5,6067
= 6,6067 = 6,6 = 7
=8
2) R = nb – nk
= 89 – 60
= 29
3) P =
=
= 4,14 = 4
4) Membuat Tabel Distribusi Frekuensi
No
1
2
3
4
5
6
7
8
Kelas
Interval
60 – 63
64 – 67
68 – 71
72 – 75
76 – 79
80 – 8384 – 87
88 – 91
-
fi
2
1
3
7
12
15
8
2
50
5) Menghitung Mean
X = XO + P
= 81,5 + 4 (-37)
xi
61.5
65.5
69.5
73.5
77.5
81.5
85.5
89.5
-
ci
-5
-4
-3
-2
-1
0
1
2
-
ci²
25
16
9
4
1
0
1
4
-
fici
-10
-4
-9
-14
-12
0
8
4
-37
fici²
50
16
27
28
12
0
8
8
149
- 6. 50
= 81,5 + 4 (-0,74)
= 81,5 + -2,96
= 78,54
6) Menghitung Standar Deviasi
Sd2 = p2 x n x ∑ fici2 – (∑fici)2
n(n-1)
= 16 x 50 x 149 – 1369
50(50-1)
= 16 (7450-1369)
2450
= 16 x 6081
2450
= 16 x 2,482
= 39,712
Sd = 6,301
Tabel C (Data Prestasi Umum)
A. Uji Normalitas
n=50
nb=89 nk=60
1) K= 1+3.3 log n
= 1+3,3 log 50
= 1+3,3 (1,699)
= 1+5,6067
= 6,6067 = 6,6 = 7
2) R= nb – nk
= 92 – 54
= 38
3) P=
=
= = 5,43 = 6
4) Membuat Tabel Daftar Distribusi
- 7. NO
Kelas Interval
fi
xi
ci
ci²
fici
fici²
1
2
3
4
5
6
7
∑
54 – 59
60 – 65
66 – 71
72 – 77
78 – 83
84 – 89
90 – 95
-
6
12
6
6
6
11
2
49
56.5
62.5
68.5
74.5
80.5
86.5
92.5
-
-1
0
1
2
3
4
5
-
1
0
1
4
9
16
25
-
-6
0
6
12
18
44
10
84
6
0
6
24
54
176
50
316
5) Menghitung Mean
X = XO + P
= 62,5 + 6 (84)
50
= 62,5 + 6(1,68)
= 62,5 + 10,08
= 72,58
6) Standar Deviasi
Sd2
= p2 x n x ∑ fici2 – (∑fici)2
n(n-1)
= 36x (50 x 316) – 7056
50(50-1)
= 36 x (15800 - 7056)
2450
=36 x 8744
2450
= 36 x 3,568
= 128,448
Sd = 11,33
Vb = Sd b2 = 128,448
Vk = Sd k2 = 39,712
Maka Thit = Vb
= Sd b2 = 128,448 = 3,234
Vk
Sd k2 39,712
Sdg = √(n1-1)V1 + (n2 -1) V2
(n1 + n2) - 2
- 8. =
√(50 -1) 39,712 + (50-1)128,448
(50 + 50) – 2
√49 x 39,712 + 49 x 128,448
98
√1945,888 + 6293,952
=
=
=
98
√8239,84
98
√84,08
=
9,169
=
Menghitung thit :
thit
=
xi – x2
Sdg√1/n1 + 1/n2
= 78,54 – 72,58
9,169√1/50 + 1/50
=
5,96
9,169√2/50
=
5,96
9,169√0,04
=
5,96
9,169 x 0,2
= 5,96
1,833
= 3,25
Mencari t daftar
db
= n1 + n2 – 2
= 50 + 50 – 2
= 100 – 2
= 98
- 9. t( 1 – ½ α ) (db) = t (1 – ½ (0,01)) (98)
= t (1 – 0,005) (98)
= t (0,995) (98)
t0,995(60)
= 2,66
t0,995(120)
= 2,62
t0,995(98)
= 2,66 – 38/60 ( 2,66 – 2,62 )
= 2,66 – 38/60 ( 0,04 )
= 2,66 – 0,25
= 2,41
t( 1- ½ α ) (db) = t ( 1 – ½ (0,05)) (98)
= t ( 1 – 0,025 ) (98)
= t (0,975) (98)
t0,975(60)
= 2,00
t0,975(120)
= 1,98
t0,975 (98)
= 2,00 – 38/60 ( 2,00 – 1,98 )
= 2,00 – 38/60 ( 0,02 )
= 2,00 – 0,13
= 1,87
Kriteria : jika –tdaftar ≤ thit ≤ tdaftar ; tidak terdapat perbedaan
: -t0,995 (98) ≤ thit ≥ t0,975(98)
: -2,41≤ 3,25 ≥ 1,87 ; terdapat perbedaan