The following values are from an independent-measures study comparing three trea

Question

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

            conditions.

                                         Treatment

                        I                       II                      III

                        n=10                n=10                n=10

                        SS=1005         SS=1391         SS=1180

            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.

Explanation / Answer

The following values are from an independent-measures study comparing three trea

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