QUESTION 11 An investment analyst wants to establish whether there is a change in the mean rate of return for 8 types of investments. The analyst selected a sample of 174 and conducted an ANOVA test that is shown as follows. Variation SS df MS F Between 291 (Treatment) Within (Error) Total 658 The Within (Error) mean squares is equal to? (Round answer to three decimal places ex. 2.091)

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