Question: The following values are from an independent-measures study comparing three treatment conditions. Treatment I II III n = 10 n = 10 n = 10

The following values are from an independent-measures study comparing three treatment conditions.

Treatment I II III n = 10 n = 10 n = 10 SS = 63 SS = 66 SS = 87

a. Compute the variance for each sample.

b. Compute MSwithin, which would be the denominator of the F-ratio for an ANOVA. Because the samples are all the same size, you should find that MSwithin is equal to the average of the three sample variances.

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