The number of degrees of freedom for a chi-square test is calculated as
A)n-1.
B)n+1.
C)(rows-1)(columns+1).
D)(rows-1)(columns-1).

Name: The number of degrees of freedom for a chi-square test is calculated as A)n-1. B)n+1. C)(rows-1)(columns+1). D)(rows-1)(columns-1).
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The number of degrees of freedom for a chi-square test is calculated as (rows-1)(columns-1), where "rows" and "columns" refer to the number of categories in each variable being analyzed.

The Number of Degrees of Freedom for a Chi-Square Test