Question: In Exercise 10.73, you conducted a nonpooled t-test to decide whether the mean number of acute postoperative days spent in the hospital is smaller with

In Exercise 10.73, you conducted a nonpooled t-test to decide whether the mean number of acute postoperative days spent in the hospital is smaller with the dynamic system than with the static system.
a. Using a pooled t-test, repeat that hypothesis test.
b. Compare your results from the pooled and nonpooled t-tests.
c. Which test do you think is more appropriate, the pooled or nonpooled t-test? Explain your answer.

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Population 1 Dynamic n 1 14 x 1 736 s 1 122 Population 2 Static n 2 6 x 2 1050 s 2 459 a Step 1 H ... View full answer

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