Quiz: One- and Two-Tailed Tests

1. Which of these is a correct alternative hypothesis for a two-tailed test?
a. Ha: μ ≠ 7
b. Ha: μ < 7
c. Ha: μ > 7
2. How will the area of the rejection region for a two-tailed test compare to area of the rejection of the corresponding one-tailed test with the same significance level?
a. the area will be smaller
b. the area will be the same
c. the area will be larger
3. How will the magnitude of the critical value for a two-tailed test compare to the critical value of the corresponding one-tailed test with the same significance level?
a. The two-tailed critical value will be smaller.
b. The values will be the same.
c. The two-tailed critical value will be larger.

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