Integradora 4 probabilidad
Enviado por Sofia Anisto • 2 de Febrero de 2016 • Trabajos • 1.079 Palabras (5 Páginas) • 156 Visitas
Calificación | Frecuencia | Xi | Fi Xi |
1-10 | 2 | 5.5 | 11 |
11-20 | 9 | 15.5 | 139.5 |
21-30 | 5 | 25.5 | 127.5 |
31-40 | 6 | 35.5 | 213 |
41-50 | 5 | 45.5 | 227.5 |
51-60 | 3 | 55.5 | 166.5 |
total | 30 | 885 |
Media:
n[pic 1][pic 2]
x = fiXi = 885 = 29.5[pic 3][pic 4][pic 5][pic 6][pic 7]
n 30
Mediana:
[pic 8][pic 9][pic 10][pic 11]
n - fi – 1 30 - 11[pic 12][pic 13]
Li+ 2 (tamaño) = 21+ 2 ( 9 ) = 28.2[pic 14][pic 15]
Fi 5
Moda :
[pic 16][pic 17][pic 18][pic 19]
a -4 [pic 20][pic 21][pic 22]
Lmo + b + a (tamaño ) = 21+ -1 - (-4) 9 = 9[pic 23][pic 24]
Calificación | Frecuencia | Xi | Fi Xi |
41-50 | 8 | 45.5 | 364 |
51-60 | 3 | 55.5 | 166.5 |
61-70 | 12 | 65.5 | 786 |
71-80 | 12 | 75.5 | 906 |
81-90 | 20 | 85.5 | 1710 |
91-100 | 5 | 95.5 | 477.5 |
total | 60 | 4410 |
Media:
n[pic 25][pic 26]
...