Question: Th e data below come from independent samples drawn from normally distributed populations. Use these data to test the hypotheses below. Let the Type I

Th e data below come from independent samples drawn from normally distributed populations. Use these data to test the hypotheses below. Let the Type I error rate be 0.05. H0: 1 – 2 0 Ha: 1 – 2 0 Sample 1 Sample 2 ¯ x1 2.06 ¯ x2 1.93 s2 1 .176 s2 2 .143 n1 12 n2 15

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