Question: If the sample mean difference between two samples is 3 points, which of the following sets of data would produce the largest value for Cohen's

If the sample mean difference between two samples is 3 points, which of the following sets of data would produce the largest value for Cohen's d? Group of answer choices n = 10 for both samples and a pooled variance of 15 n = 20 for both samples and a pooled variance of 15 n = 30 for both samples and a pooled variance of 15 Cohen's d is the same for all three of the samples

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