A chi-square homogeneity test is to be conducted to decide whether a difference exists among the distributions of a variable of six populations. The variable

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A chi-square homogeneity test is to be conducted to decide whether a difference exists among the distributions of a variable of six populations. The variable has five possible values. What are the degrees of freedom for the χ²-statistic?

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A chi-square homogeneity test is to be conducted to decide whether a difference exists among the distributions of a variable of six populations. The variable

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