Two Samples,each with N = 6 Subjects,produce a Pooled Variance

question 52

Multiple Choice

Two samples,each with n = 6 subjects,produce a pooled variance of 20.Based on this information,what is the estimated standard error for the sample mean difference?​

• A)​20/6
• B)​20/12
• C)​The square root of (20/6 + 20/6)
• D)​The square root of (20/5 + 20/5)

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