A sample of 35 paired observations generates the following results:

a. Specify the appropriate hypotheses to test if the mean difference is greater than zero.

b. Compute the value of the test statistic and approximate the p -value.

c. At the 5% significance level, can you conclude that the mean difference is greater than zero? Explain.

d. Repeat th e h yp oth esis te st using t h e critical value approach. PG-69