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A stock analyst wondered whether the mean rate of return of?financial, energy, and utility stocks differed over the past 5 years. He obtained a simple

A stock analyst wondered whether the mean rate of return of?financial, energy, and utility stocks differed over the past 5 years. He obtained a simple random sample of eight companies from each of the three sectors and obtained the?5-year rates of return shown in the accompanying table?(in percent). Complete parts?C below.

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(c) Are the mean rates of return different at the a = 0.05 level of significance? Use technology to find the F-test statistic for this data set. Fo =(Round to two decimal places as needed.) Determine the P-value and state the appropriate conclusion below. Since the P-value is . there enough evidence to reject the null hypothesis. Thus, we conclude that the mean rates of return are different at the a = 0.05 level of significance. (Round to three decimal places as needed.)\f

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