For two independent groups of subjects, you get X 1 = 86, X 2 = 80, s
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For two independent groups of subjects, you get X¯ 1 = 86, X¯ 2 = 80, s 2
1 = s 2
2 = 25, with sample sizes n1 = n2 = 20.
Assume the population variances of the two groups are equal and verify that Student’s t rejects with α = .01.
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Related Book For
Basic Statistics Understanding Conventional Methods And Modern Insights
ISBN: 9780195315103
1st Edition
Authors: Rand R. Wilcox
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