Suppose that the mean in group 1 = 15.4 and the mean in group 2 = 12.6.
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Suppose that the mean in group 1 = 15.4 and the mean in group 2 = 12.6. Based on your answer to Problem 8.158 test whether the means in the two groups are significantly different, and report a two-sided p-value?
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Suppose we have two groups with sample sizes of 8 and 15.
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