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For each question, determine which inference procedure is appropriate (construct

ID: 3357527 • Letter: F

Question

For each question, determine which inference procedure is appropriate (construct confidence interval or perform hypothesis test), and identify the parameter of interest.

a) What is the average number of parties attended per month by Penn State students?

b) Is the percentage of republicans who think the middle class pays too much in taxes different from the percentage of democrats who think the same way?

c) What is the average change in a person’s heart rate when comparing measurements from before and after a 15-second sprint?

Explanation / Answer

a) Confidence Interval, Average

b) Hypothesis Testing, Proportion

c) Confidence Interval. Average