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QUESTION 10 Ten observations were selected from each of three populations, and an analysis of variance was performed on the data. The following are part of the results. Source of Variation Sum of Degrees of Mean F Squares Freedom Square Between treatments 82.4 Within treatments (Error) 158.4 Total Using a=.05, test to see if there is a significant difference among the means of the three populations. Report the F-calculated QUESTION 11 What is your conclusion with an a=0.05 ? a. Reject the null, all the means are different b.Fail to reject the null, we found evidence that the means are equal. OC. Reject the null, at least one of the means is different. Od. Fail to reject the null, all the means are comparable QUESTION 12 If you reject the null, perform a multiple comparison test and report the LSD value. If you did not reject the null, report 0. QUESTION 13 What is your conclusion of the multiple comparison test (LSD) with an a = 0.05 if x1 = 24.8, 72 = 23.4, and 3 = 27.4. a. All the means are equal. b. Mean 2 is different than Mean 1 and Mean 3 (M1=M3). OC. Mean 3 is different than Mean 1 and Mean 2 (M1=M2). Od. Mean 1 is different to Mean 2 and Mean 3 (M2=M3)