Question: The following data represent the results from an independent-measures study comparing three treatment.

1. Compute the variance for the set of three means. (Treat the means as a sample of n = 3 values and compute the sample variance).
2. Using the result from part a, compute N (SSmeans). Note that this value is equal to SS between.
3. Now, compute SS between with the computational formula using the T values

Note The treatment numbers are in the 7 ^th edition textbook on page 409.

Treatment

I _______________ II _______________ III ______

N=10 n=10 n=10

M=2 M=3 M=7

T=20 T=30 T=70

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