Mary_7939_Tarea_MOD2_1 - ESTADSTICA 1 2.1 Tarea Medidas de...

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ESTADÍSTICA 1 2.1 Tarea: Medidas de Tendencia Central Mary Montoya 1511387939 National University College MBA con especialidad en Mercadeo Digital ESTAT 5010 Noviembre 2 de 2016
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ESTADÍSTICA 2 MEDIDAS DE TENDENCIA CENTRAL 1. Determine manualmente la moda, la mediana y el promedio de los siguientes datos a. Moda 10 Mediana= (10+10)/2 10 Promedio= (126/12) 10.5 b. Moda 142 Mediana 151 Promedio= (1717/9) 190.8 b. Moda 4 Mediana= (6+6)/2 6 Promedio= (127/22) 5.8 3. Utilice el programa OpenStat para determinar si hay evidencia de normalidad en los siguientes datos NORMALITY TESTS FOR Normalidad Shapiro-Wilkes W = 0.9176 Shapiro-Wilkes Prob. = 0.0019 Skew = 0.617 Kurtosis = -0.357 Lilliefors Test Statistic = 0.171 Conclusion: Strong evidence against normality.
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ESTADÍSTICA 3 Miller, W. (2012) 4. Utilice OpenStat para determinar el sesgo y la curtosis de los datos del ejercicio 3 DISTRIBUTION PARAMETER ESTIMATES ======================================================== Skewness = 0.617 Std. Error of Skew = 0.337 Kurtosis = -0.357 Std. Error Kurtosis = 0.662 Miller, W. (2012) Como el sesgo da positivo indica que distribución esta sesgada a la derecha
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