Question: Consider the following competing hypotheses and accompanying data drawn from two independent populations. H0: m1 - m2 = 0.... W1 = 80..... W2 = 40

Consider the following competing hypotheses and accompanying data drawn from two independent populations.

H0: m1 - m2 = 0.... W1 = 80..... W2 = 40

HA: m1 - m2 ≠ 0.... n1 = 7......... n2 = 8

a. Specify the decision rule at the 5% significance level.

b. Determine the value of the test statistic.

c. What is the conclusion?

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