In each of Exercises 10.5-10.10, we have stated the purpose for performing a hypothesis test to compare the means, μ1 and μ2, of two populations. For each exercise,
a. Determine the null and alternative hypotheses. Note: Always place the mean of Population 1 on the left.
b. Classify the hypothesis test as two tailed, left tailed, or right tailed.
1. The primary concern is deciding whether the mean of Population 1 differs from the mean of Population 2.
2. The primary concern is deciding whether the mean of Population 2 is less than the mean of Population 1.
3. The primary concern is deciding whether the mean of Population 1 is greater than the mean of Population 2.