what degrees of freedom should be used to conduct a chi-squared test of independence using this table?

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05-12-2022
Mathematics

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what degrees of freedom should be used to conduct a chi-squared test of independence using this table?

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contexto1019 contexto1019 · Answer 1 · 2022-12-08T03:54:15-05:00

The degrees of freedom (df): For a chi-square test of independence, the df is (number of variable 1 groups − 1) * (number of variable 2 groups − 1).

Under the null speculation and sure conditions (mentioned below), the check statistic follows a Chi-Square distribution with stages of freedom identical to ( r − 1 ) ( c − 1 ) , wherein is the quantity of rows and is the quantity of columns.

The quantity of levels of freedom in a chi-rectangular goodness-of-healthy check is the quantity of classes minus the quantity of parameters anticipated. The quantity of levels of freedom in a chi-rectangular goodness-of-healthy check is the quantity of classes minus the quantity of parameters anticipated minus one.