Problem: You wish to compare how a low-fat diet, low-fat diet and a brisk four-mile walk each day, and a low-fat diet and a four-mile job each day affect cholesterol levels. You randomly assign six subjects to each group. The scores in the table below show the reduction in cholesterol count after two months.

a. Conduct all 6 steps of the appropriate statistic. Be sure to label all six steps.

b. Calculate and interpret the effect size for this test.

c. Calculate and interpret any post-hoc test if necessary.

d. Report the statistics as you would in a journal article.

Low fat Diet      Diet and Walk      Diet and Run

10                        14                         19

8                        12                          15

15                       18                         14

12                       16                         16

9                        13                          18

6                        17                          20