At the 5% significance level, does the evidence support the manager’s claim? Step 1: Hypothesis a. Ho: µ1- µ2< 0 Ha: µ1- µ2? 0b. Ho: µ1- µ2= 0 Ha: µ1- µ2? 0c. Ho: µ1- µ2? 0 Ha: µ1- µ2> 0d. Ho: µ1 ? µ2 Ha: µ1 < µ2 Step 2: Compute the critical value:a. 1.645b. 1.96c. 1.676d. 2.011 Step 3: Compute the appropriate test statistic:a. -1.59b. 2.011c. 15.92d. 1.676 Step 4: What is the conclusion at the 5% significance level? a. Reject Ho, the manager’s claim is true. b. Reject Ho, cannot conclude the manager’s claim is true. c. Do not reject Ho, the manager’s claim is true. d. Do not reject Ho, cannot conclude the manager’s claim is true.
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