Se
tomaron medidas a bananos que están a la venta al público en el supermercado.
DISTRIBUCION
ASCENDENTE
Las medidas fueron tomadas en cm.
19 19 19 19 19 20 20 20 20 20 20
20 20 20 20 20 20 20 20 20
20 21 21 21 21 21 21 21 21 21 21
21 21 21 21 21 21 21 22 22
22 22 22 22 22 22 22 22 22 22 22
23 23 23 23 23 23 23 23 23
23 23 23 23 23 23 23 23 24 24 24
24 24 24 24 24 24 24 24 24
24 24 24 24 24 24 24 24 24 25 25
25 25 25 25 25 25 25 25 25
25 25 26 26 26 26 26 26 26 26 27
27 27 27 27 27 27 27 27 27
·
Rango
R= 27 –
19 = 8.0
·
N°
de clases
k= 1 +
3,32 log (120)
k= 7,90 =
8
Ancho de
clases
A =
8/7.90 = 1.01
TABLA DE
FRECUENCIA
PLATANOS
|
|||||||
N°
|
CLASES
|
F
|
Fa ↑
|
Fa↓
|
Fr
|
Fra ↑
|
Fra ↓
|
1
|
19--20,01
|
21
|
21
|
120
|
0,175
|
0,175
|
1,000
|
2
|
20,01--21,02
|
17
|
38
|
99
|
0,142
|
0,317
|
0,825
|
3
|
21,02--22,03
|
13
|
51
|
82
|
0,108
|
0,425
|
0,683
|
4
|
22,03--23,04
|
17
|
68
|
69
|
0,142
|
0,567
|
0,575
|
5
|
23,04--24,05
|
21
|
89
|
52
|
0,175
|
0,742
|
0,433
|
6
|
24,05-25,06
|
13
|
102
|
31
|
0,108
|
0,850
|
0,258
|
HISTOGRAMA
DIAGRAMA
CIRCULAR
DIAGRAMA
DE OJIVA
TABLA DE
FRECUENCIA
PLATANOS
|
||||||||||||
N°
|
CLASES
|
F
|
Fa ↑
|
Fa↓
|
Fr
|
Fra ↑
|
Fra ↓
|
X
|
F*X
|
X-X ̅
|
(X-X ̅) 2
|
f(X-X ̅) 2
|
1
|
19--20,01
|
21
|
21
|
120
|
0,175
|
0,175
|
1,000
|
19,505
|
409,605
|
-3,038
|
9,229
|
193,809
|
2
|
20,01--21,02
|
17
|
38
|
99
|
0,142
|
0,317
|
0,825
|
20,515
|
348,755
|
-2,028
|
4,112
|
69,904
|
3
|
21,02--22,03
|
13
|
51
|
82
|
0,108
|
0,425
|
0,683
|
21,525
|
279,825
|
-1,018
|
1,036
|
13,468
|
4
|
22,03--23,04
|
17
|
68
|
69
|
0,142
|
0,567
|
0,575
|
22,535
|
383,095
|
-0,008
|
6,733E-05
|
0,001
|
5
|
23,04--24,05
|
21
|
89
|
52
|
0,175
|
0,742
|
0,433
|
23,545
|
494,445
|
1,002
|
1,004
|
21,084
|
6
|
24,05-25,06
|
13
|
102
|
31
|
0,108
|
0,850
|
0,258
|
24,555
|
319,215
|
2,012
|
4,048
|
52,624
|
7
|
25,06--26,07
|
8
|
110
|
18
|
0,067
|
0,917
|
0,150
|
25,565
|
204,520
|
3,022
|
9,132
|
73,056
|
8
|
26,07--27,08
|
10
|
120
|
10
|
0,083
|
1,000
|
0,083
|
26,575
|
265,750
|
4,032
|
16,257
|
162,570
|
|
|
|
|
|
|
|
|
|
2705,210
|
|
|
586,516
|
Media aritmética
= =22543.416.
MODA:
19--20,01
|
21
|
20,01--21,02
|
17
|
D1 = 21-
0 = 21
D2 =
21-17 = 4
Mo = 19 + (21/21+4)* 1.01= 19.8484
22,03--23,04
|
17
|
23,04--24,05
|
21
|
24,05-25,06
|
13
|
D1 =
21-17 =4
D2 =
21-13 = 8
Mo =
23.04 + (4/4+8)*1.01= 23.37
MEDIANA
120/2 = 60
21,02--22,03
|
13
|
51
|
22,03--23,04
|
17
|
68
|
Li = 22.03
Fa = 51
A= 1.01
Me = 22.03 + (60-51/17)*1.01= 22.56
VARIANZA
S= =
S= = varianza
S= 69.911 = desviación estándar
COEFICIENTE
DE VARIACIÓN
Cv = * 100=
Cv = (69.911/22543.416)*100=
Cv = 0.310 %.
DIAGRAMA
DE CAJA
Q1 = 120*1/4= 30 Q1
= 20,01+ * 1,01 = 20.54
Li = 20,01
Fa = 21
f n*p/q= 17
N°
|
CLASES
|
F
|
Fa ↑
|
1
|
19--20,01
|
21
|
21
|
2
|
20,01--21,02
|
17
|
38
|
3
|
21,02--22,03
|
13
|
51
|
4
|
22,03--23,04
|
17
|
68
|
5
|
23,04--24,05
|
21
|
89
|
6
|
24,05-25,06
|
13
|
102
|
7
|
25,06--26,07
|
8
|
110
|
8
|
26,07--27,08
|
10
|
120
|
|
|
|
|
Q2 = 120*2/4= 60
Li = 22,03
Fa= 51
f n*p/q= 17
Q2 = 22,03+ * 1,01 = 22.56
Q3 = 120*3/4= 90
Li = 24,05
Fa= 89
f n*p/q= 13
Q3 = 24,05+ * 1,01 = 24.12 =
24
Li = 20.54- 1.5 )= 17.855
Ls =
Ls = 24.12+ 1.5 )=26.805
Q1 = 20.25
Q2 =
22.56
Q3 = 24.12
Li = 17.855
Ls = 26.805
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