A senior analyst working for Ameritrade has reviewed purchases his customers have made over the last six months. He has categorized the mutual funds purchased into eight categories: (1) Aggressive Growth

(AG), (2) Growth (G), (3) Growth-Income (G-I), (4)

Income Funds (IF), (5) International (I), (6) Asset Allocation (AA), (7) Precious Metal (PM), and (8)

Bond (B). The percentage gains accrued by 3 randomly selected customers in each group are as follows:

Mutual Fund AG G G-I IF I AA PM B 6 7 5 1 14 -3 5 -1 7 -2 6 0 13 7 7 3 12 0 2 6 10 7 5 2

a. Develop the appropriate ANOVA table to determine if there is a difference in the average percentage gains accrued by his customers among the mutual fund types. Use a significance level of 0.05.

b. Use the Tukey-Kramer procedure to determine which mutual fund type has the highest average percentage gain. Use an experiment-wide error rate of 0.05.