Question: A stock analyst wants to determine whether there is a difference in the mean return on equity for three types of stock: utility, retail, and

A stock analyst wants to determine whether there is a difference in the mean return on equity for three types of stock: utility, retail, and banking stocks. The following output is obtained:

Analysis of Variance

SourceDFAdj SSAdj MSF-ValueP-Value

Factor2303.697151.8485.500.202

Error12331.38127.615

Total14635.077

a.Using the .05 level of significance, is there a difference in the mean return on equity among the three types of stock?

b.Can the analyst conclude there is a difference between the mean return on equity for utility and retail stocks? For utility and banking stocks? For banking and retail stocks? Explain.

PLEASE show work and include the null hypothesis, alternative hypothesis, decision rule, and the equations to how you got the answer. I am very stuck on this problem and cannot figure it out.

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