Question: The following data come from independent samples drawn from normally distributed populations. Use these data to test the following hypotheses. Let the Type I error

The following data come from independent samples drawn from normally distributed populations. Use these data to test the following hypotheses. Let the Type I error rate be .05.

H0: µ1 - µ2 = 0
Ha: µ1 - µ2 > 0
Sample 1 ... Sample 2
x̄1 = 2.06 ..... x̄2 = 1.93
s21 = .176 ..... s22 = .143
n1 = 12 ..... n2 = 15

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