10.26 Determine the test criteria that would be used with the classical approach to test the following hypotheses when t is used as the test statistic.

a. Ho : d  0 and Ha: d  0, with n  15 and

  0.05

b. Ho : d  0 and Ha: d  0, with n  25 and

  0.05

c. Ho : d  0 and Ha: d  0, with n  12 and

  0.10

d. Ho : d  0.75 and Ha: d  0.75, with n  18 and   0.01