What is the approximate power of each of the following

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Reference no: EM13470921

What is the approximate power of each of the following planned studies, all using a t-test for independent means at the 0.05 significance level, two tailed, with a predicted medium effect size?

Study N1 N2

A 90 10

B 50 50

C 6 34

D 20 20

Reference no: EM13470921

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