Question: A paired sample study has been conducted to determine whether two populations have equal means. Twenty paired samples were obtained with the following sample results:

A paired sample study has been conducted to determine whether two populations have equal means.

Twenty paired samples were obtained with the following sample results:

d = 12.45 sd = 11.0 Based on these sample data and a significance level of 0.05, what conclusion should be made about the population means?

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