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X2 De Pearson

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X2 De Pearson. X 2 i 1 k x i m i 2 m i i 1 k x i 2 m i n displaystyle x 2 sum i 1 k frac x i m i 2 m i sum i 1 k frac x i 2 m i n. Esta prueba fue desarrollada en el año 1900 por karl pearson.

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Pearson s chi squared test is a statistical test applied to sets of categorical data to evaluate how likely it is that any observed difference between the sets arose by chance. X2 ƒo ƒe 2 ƒe o en donde ƒo es la frecuencia observada y ƒe es la frecuencia esperada. It is the most widely used of many chi squared tests e g yates likelihood ratio portmanteau test in time series etc statistical procedures whose results are evaluated by reference to the chi squared.

It is the most widely used of many chi squared tests e g yates likelihood ratio portmanteau test in time series etc statistical procedures whose results are evaluated by reference to the chi squared.

La prueba chi cuadrado es una de las más conocidas y utilizadas para analizar variables nominales o cualitativas es decir para determinar la existencia o no de independencia entre dos variables. Pearson proposed that under the circumstance of the null hypothesis being correct as n the limiting distribution of the quantity given below is the χ 2 distribution. X2 ƒo ƒe 2 ƒe o en donde ƒo es la frecuencia observada y ƒe es la frecuencia esperada. Que dos variables sean independientes significa que no tienen relación y que por lo.

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