Exhibit 13-31 To test whether or not there is a difference between treatments A, B, C and D, a sample of 12 observations has been randomly assigned to the four treatments. You are given the results below. Treatment A ОС B C D 1.872 46.33 15.44 Observation 36 30 25 30 Refer to Exhibit 13-31. The mean square between treatments (MSTR) equals 33 26 20 28 28 22 26 34 28

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Q: Exhibit 13-31 To test whether or not there is a difference between treatments A, B, C and D, a…

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