In reference to Applied Example 9.7

(p. 487):

a. Verify that t(44)  1.92 is significant at the 0.05 level.

b. Verify that t(44)  3.41 is significant at the 0.01 level.

c. Explain why t(44)  1.81, p  .10, makes sense only if the hypothesis test is two-tailed.

d. If the test is one-tailed, what level would be reported?