Two Samples,each with N = 5 Scores,have a Pooled Variance $\sqrt { 20 }$

question 4

Multiple Choice

Two samples,each with n = 5 scores,have a pooled variance of 40.What is the estimated standard error for the sample mean difference??

• A)?4
• B)?8
• C)?10
• D)? \(\sqrt { 20 }\)

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