When computing the degrees of freedom for ANOVA,how is the within-group estimate calculated?

A) n - 1
B) k - 1
C) N - k
D) (n - 1) ÷ k

Question

When computing the degrees of freedom for ANOVA,how is the within-group estimate calculated?A) n - 1B) k - 1C) N - kD) (n - 1) ÷ k

vanessa Robles · Accepted Answer

Final Answer : C, Explanation :   The within-group degrees of freedom for ANOVA are calculated as   N − k N - k N − k  , where   N N N   is the total number of observations across all groups, and   k k k   is the number of groups. This formula subtracts the number of groups from the total number of observations to account for the degrees of freedom used in estimating the group means.

When computing the degrees of freedom for ANOVA,how is the within-group estimate calculated?

A) n - 1
B) k - 1
C) N - k
D) (n - 1) ÷ k

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