Estadistica

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  • Publicado : 22 de febrero de 2011
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RESULTADOS
¿Cuántos BlackBerrys has tenido?
1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 4 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 5 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 6 | 0 |
1 |1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1| 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 |2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 0| 0 |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 0 | 0 |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 0 | 0 |Nc | Límite de Celda | F | fr | FA | Fr | Me | f*Me | Me-X | (Me-X)² | f*(Me-X)² |
  | Li | Ls |   |   |   |   |   |   |   |   |   |
1 | 0 | 2.6 | 180 | 0.9 | 180 | 0.9 | 1.3| 234 | -0.27 | 0.073 | 13.12 |
2 | 2.6 | 5.2 | 19 | 0.095 | 199 | 0.995 | 3.9 | 74.1 | 2.33 | 5.43 | 103.15 |
3 | 5.2 | 7.8 | 1 | 0.005 | 200 | 1 | 6.5 | 6.5 | 4.93 | 24.3| 24.3 |
  |   |   |   |   |   |   |   | 314.6 |   |   | 140.57 |

CALCULOS
Medidores de Frecuencia Central
Nc= 1+ (0.32*lnN)Nc= 2.695

Rango= Xmax – Xmin
R= 6-0
R=6

Ac= R+1/Nc
Ac= 6+1/2.695
Ac= 2.60
Promedio
X=∑F*Me/N
X= 314.60/200
X= 1.57
Mediana= 1
Moda= 1

Medidores de DispersiónVariancia:
S²= ∑f*(Me-x)²/ N-1
S²=140.57/199
S²= 0.7

Desviacion Estandar:
S= 0.84
Coeficiente de Variación:
CV= S/X * 100
CV= 0.84/1.385 * 100
CV= 53.5%

GRAFICA
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