Question
Suppose you are going to test the hypothesis that population 1 has a mean that is exactly 2 less than the mean of population 2.
Suppose you are going to test the hypothesis that population 1 has a mean that is exactly 2 less than the mean of population 2. Sample 1 has a mean of 34.5 and sample 2 has a mean of 30. The respective standard deviations are 5 and 9 and the sample sizes are 33 and 42. What is the test statistic?
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Introductory Statistics Exploring The World Through Data
Authors: Robert Gould, Colleen Ryan
2nd Edition
9780321978509, 321978277, 321978501, 978-0321978271
