Two separate samples receive different treatments. After treatment, the first sample has n = 5 with SS

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Two separate samples receive different treatments. After treatment, the first sample has n = 5 with SS = 60, and the second has n = 9 with SS = 84.

a. Compute the pooled variance for the two samples.

b. Calculate the estimated standard error for the sample mean difference.

c. If the sample mean difference is 7 points, is this enough to reject the null hypothesis using a twotailed test with α = .05?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9780357365298

10th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano, James E. Witnauer

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Question Posted: Jul 21, 2022 02:23 AM

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Two separate samples receive different treatments. After treatment, the first sample has n = 5 with SS

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Essentials Of Statistics For The Behavioral Sciences

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