A corporate CEO reviews the earnings of three divisions over the last eighteen months ...

     A   corporate CEO reviews the earnings of three divisions over the last eighteen   months. Each division reports its earnings quarterly. Based on the earnings   below, is there sufficient evidence to conclude, at the 99% level of   confidence, that one of these divisions is more profitable than the others?   Division I Division II Division III 35 9 29 50 10 3 12 19 27 38 40 22 10 11   27 13 6 10 · State the null and alternate hypotheses · Calculate the sums of   squares SS(total), SS(factor), and SS(error) · Calculate the degrees of   freedom df(total), df(factor), and df(error) · Calculate the mean square for   factor, and the mean square for error · Calculate the F-statistic · Determine   the critical value(s) · State your decision: Should the null hypothesis be   rejected?