2. Ejercicio:
• 1.-Construya histogramas y distribuciones
de frecuencias relativas para el tamaño
promedio de pedidos por día para los
últimos cuatro meses. En cada uno utilice
anchos de intervalo de 20 y tome el primer
intervalo de cero a 20.

3. TRIMESTRE 1:
CLASES CATEGORIAS O INTERVALOS
No.
MARCAS
DE CLASE
FRECUENCIAS
MEDIDAS DE TENDENCIA
LIMITE INFERIOR
LIMITE SUPERIOR
XI
FI
FAI
FRI
FRAI
FIXI
|XI-X|FI
(XI-X)2FI
1
0
20
10
1
1
0.0054
1%
10
102.1505376
10434.73
2
20
40
30
4
5
0.0215
3%
120
328.6021505
107979.4
3
40
60
50
15
20
0.0806
11%
750
932.2580645
869105.1
4
60
80
70
42
62
0.2258
33%
2940
1770.322581
3134042
5
80
100
90
25
87
0.1344
47%
2250
553.7634409
306653.9
6
100
120
110
36
123
0.1935
66%
3960
77.41935484
5993.757
7
120
140
130
15
138
0.0806
74%
1950
267.7419355
71685.74
8
140
160
150
13
151
0.0699
81%
1950
492.0430108
242106.3
9
160
180
170
14
165
0.0753
89%
2380
809.8924731
655925.8
10
180
200
190
11
176
0.0591
95%
2090
856.344086
733325.2
11
200
220
210
3
179
0.0161
96%
630
293.5483871
86170.66
12
220
240
230
3
182
0.0161
98%
690
353.5483871
124996.5
13
240
260
250
0
182
0.0000
98%
0
0
0
14
260
280
270
2
184
0.0108
99%
540
315.6989247
99665.81
15
280
300
290
1
185
0.0054
99%
290
177.8494624
31630.43
16
300
320
310
1
186
0.0054
100%
310
197.8494624
39144.41
186
TOTALES
x
20860
7529.032258
6518860
112.15
Desv. Media
40.47866805
Varianza
35047.63
Desv. Est.
187.2101

4. Histograma
50
45
40
35
30
25
20
15
10
5
0
0
0
20
40 50 60
80
100
100
120
140 150 160
180
200
200
220
240 250 260
280
300
300
320
350

5. TRIMESTRE 2:
No.
CLASES CATEGORIAS O INTERVALOS
MARCAS DE
CLASE
FRECUENCIAS
MEDIDAS DE TENDENCIA
LIMITE INFERIOR
LIMITE SUPERIOR
XI
FI
FAI
FRI
FRAI
FIXI
|XI-X|FI
(XI-X)2FI
1
0
20
10
0
0
0.0000
0%
0
0
0
2
20
40
30
0
0
0.0000
0%
0
0
0
3
40
60
50
10
10
0.0538
5%
500
617.2043011
380941.1493
4
60
80
70
34
44
0.1828
24%
2380
1418.494624
2012126.997
5
80
100
90
40
84
0.2151
45%
3600
868.8172043
754843.3345
6
100
120
110
35
119
0.1882
64%
3850
60.21505376
3625.8527
7
120
140
130
30
149
0.1613
80%
3900
548.3870968
300728.4079
8
140
160
150
17
166
0.0914
89%
2550
650.7526882
423479.0612
9
160
180
170
10
176
0.0538
95%
1700
582.7956989
339650.8267
10
180
200
190
2
178
0.0108
96%
380
156.5591398
24510.76425
11
200
220
210
3
181
0.0161
97%
630
294.8387097
86929.86472
12
220
240
230
1
182
0.0054
98%
230
118.2795699
13990.05665
13
240
260
250
2
184
0.0108
99%
500
276.5591398
76484.9578
14
260
280
270
1
185
0.0054
99%
270
158.2795699
25052.42225
15
280
300
290
1
186
0.0054
100%
290
178.2795699
31783.60504
16
300
320
310
0
186
0.0000
100%
0
0
0
186
TOTALES
x
20780
5929.462366
4474147.3
111.72
Desv. Media
31.87882992
Varianza
24054.55538
Desv. Est.
155.0953106

6. Histograma
50
45
40
35
30
25
20
15
10
5
0
0
0
20
40 50 60
80
100
100
120
140 150 160
180
200
200
220
240 250 260
280
300
300
320
350

7. TRIMESTRE 3:
No.
CLASES CATEGORIAS O INTERVALOS
MARCAS DE
CLASE
FRECUENCIAS
MEDIDAS DE TENDENCIA
LIMITE INFERIOR
LIMITE SUPERIOR
XI
FI
FAI
FRI
FRAI
FIXI
|XI-X|FI
(XI-X)2FI
1
0
20
10
28
28
0.1505
15%
280
2685.591398
7212401.156
2
20
40
30
1
29
0.0054
16%
30
75.91397849
5762.932131
3
40
60
50
6
35
0.0323
19%
300
335.483871
112549.4277
4
60
80
70
26
61
0.1398
33%
1820
933.7634409
871914.1635
5
80
100
90
25
86
0.1344
46%
2250
397.8494624
158284.1947
6
100
120
110
26
112 0.1398
60%
2860
106.2365591
11286.2065
7
120
140
130
24
136 0.1290
73%
3120
578.0645161
334158.5848
8
140
160
150
17
153 0.0914
82%
2550
749.4623656
561693.8374
9
160
180
170
12
165 0.0645
89%
2040
769.0322581
591410.6139
10
180
200
190
9
174 0.0484
94%
1710
756.7741935
572707.18
11
200
220
210
4
178 0.0215
96%
840
416.344086
173342.398
12
220
240
230
5
183 0.0269
98%
1150
620.4301075
384933.5183
13
240
260
250
3
186 0.0161
100%
750
432.2580645
186847.0343
14
260
280
270
0
186 0.0000
100%
0
0
0
15
280
300
290
0
186 0.0000
100%
0
0
0
16
300
320
310
0
186 0.0000
100%
0
0
0
186
TOTALES
x
19700
8857.204301
11177291.25
105.91
Desv. Media
47.61937796
Varianza
60092.9637
Desv. Est.
245.1386622

8. Histograma
45
40
35
30
25
20
15
10
5
0
0
0
20
40 50 60
80
100
100
120
140 150 160
180
200
200
220
240 250 260
280
300
300
320
350

9. TRIMESTRE 4:
CLASES CATEGORIAS O INTERVALOS
No.
MARCAS
DE CLASE
FRECUENCIAS
MEDIDAS DE TENDENCIA
LIMITE INFERIOR
LIMITE SUPERIOR
XI
FI
FAI
FRI
FRAI
FIXI
|XI-X|FI
(XI-X)2FI
1
0
20
10
0
0
0.0000
0%
0
0
0
2
20
40
30
0
0
0.0000
0%
0
0
0
3
40
60
50
20
20
0.1075
11%
1000
1197.849462
1434843
4
60
80
70
39
59
0.2097
32%
2730
1555.806452
2420534
5
80
100
90
29
88
0.1559
47%
2610
576.8817204
332792.5
6
100
120
110
28
116
0.1505
62%
3080
3.010752688
9.064632
7
120
140
130
28
144
0.1505
77%
3640
563.0107527
316981.1
8
140
160
150
16
160
0.0860
86%
2400
641.7204301
411805.1
9
160
180
170
12
172
0.0645
92%
2040
721.2903226
520259.7
10
180
200
190
5
177
0.0269
95%
950
400.5376344
160430.4
11
200
220
210
7
184
0.0376
99%
1470
700.7526882
491054.3
12
220
240
230
1
185
0.0054
99%
230
120.1075269
14425.82
13
240
260
250
0
185
0.0000
99%
0
0
0
14
260
280
270
0
185
0.0000
99%
0
0
0
15
280
300
290
1
186
0.0054
100%
290
180.1075269
32438.72
16
300
320
310
0
186
0.0000
100%
0
0
0
186
TOTALES
x
20440
6661.075269
6135574
109.89
Desv. Media
35.81223263
Varianza
32986.96
Desv. Est.
181.6231