You are given the following null and alternative hypotheses H0: s21 = s22 HA: s21 s22

Question:

You are given the following null and alternative hypotheses H0: s21

= s22 HA: s21

s22 and sample information Sample 1 Sample 2 n1 = 11 n2 = 21 s1 = 15 s2 = 33

a. If a = 0.02, state the decision rule for the hypothesis.

b. Test the hypothesis and indicate whether the null hypothesis should be rejected.

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