Question: To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to

To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.

Treatment Observations

A 20 30 25 33

B 22 26 20 28

C 40 30 28 22

At = .05, test the hypothesis there is a significant difference in the means of the three populations..

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