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14. The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16. If there

14. The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16. If there are n = 8 scores in each sample, then what is the estimated standard error for the sample mean difference? a. 2 b. 4 c. 16 d. 128

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