Asignación 3: Medidas de Tendencia Central y Dispersión
1. La tabla adjunta describe los asesinatos por mes que ocurrieron en Puerto Rico durante el año 2009
Enero
Febrero
Marzo
Abril
Mayo
Junio
Julio
Agosto
Sept.
Octubre
Nov.
Dic.
56
80
75
63
91
79
63
75
84
84
85
59
Fuente: tendenciaspr.com
Calcule las siguientes estadísticas:
a. Promedio
b. Mediana
c. Moda
d. Varianza
e. Desviación estándar
2. La siguiente tabla describe el promedio de asesinatos del 2000-05 por municipio.
Calcule las siguientes estadísticas:
a. Promedio
b. Mediana
c. Moda
d. Varianza
e. Desviación estándar
IMPORTANTE: No incluya el promedio de Puerto Rico.
3. Un fabricante de cosméticos adquirió una máquina para llenar botellas de perfume de 3 onzas. Para probar la precisión del volumen depositado en cada botella, hizo una corrida de prueba con 18 recipientes. Los resultados fueron los siguientes:
3.02
2.89
2.92
2.90
2.90
2.96
2.95
2.99
2.93
3.01
2.97
2.95
2.84
2.94
2.97
2.99
2.94
2.97
Calcule las siguientes estadísticas:
a. Promedio
b. Mediana
c. Moda
d. Varianza
e. Desviación estándar
4. Los siguientes datos representan el total de asesinatos en Puerto Rico del 1989 al 2009.
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