A planned comparison comparing two means involves figuring an F ratio in which the denominator
A) depends on the pair of means being compared.
B) has degrees of freedom equal to the total within-groups degrees of freedom of the two groups being compared.
C) is the overall within-groups population variance estimate, regardless of the pair of means being compared.
D) does not involve figuring an F ratio for any planned comparison.
C
Psychology
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Fill in the blank with the appropriate word.
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