A stock analyst wondered whether the mean rate of return of​financial, energy, and utility stocks differed over the past 5years. He obtained a simple random sample of eight companies fromeach of the three sectors and obtained the​ 5-year rates of returnshown in the accompanying table​ (in percent). Complete parts​ (a)through​ (d) below.
Are the mean rates of return different at
α=0.05 level of​ significance?
Use technology to find the​ F-test statistic for this dataset.
Find the P=Value
Financial Energy Utilities
10.73 12.89 11.88
15.05 13.96 5.76
17.01 6.43 13.46
5.07 11.19 9.90
19.59 18.93 3.95
8.16 20.73 3.44
10.38 9.60 7.11
6.52 17.40 15.70
