QUESTION 9 An investment analyst wants to establish whether there is a change in the mean rate of return for 3 types of investments. The analyst selected a sample of 107 and conducted an ANOVA test...

Extracted text: QUESTION 9 An investment analyst wants to establish whether there is a change in the mean rate of return for 3 types of investments. The analyst selected a sample of 107 and conducted an ANOVA test that is shown as follows. Variation df MS F Between 383 (Treatment) Within (Error) 7. Total 691 The Within (Error) mean squares is equal to? (Round answer to three decimal places ex. 2.091)