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

A paired sample study has been conducted to

A paired sample study has been conducted to determine whether two populations have equal averages. Twenty paired samples were obtained with the following sample results: d-bar = 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? HO: ud = 0 Ha: ud = 0 Because t test statistic = 1.05 1.73, reject the null hypothesis. Because t test statistic = 1.82 2.09, reject the null hypothesis

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