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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	Observation
A	20	30	25	33
B	22	26	20	28
C	40	30	28	22

The mean square between treatments (MSTR) equals

A. 1.872

B. 5.86

C. 34

D. 36

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9164625

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