Question: 3. (30 points) Test for therapy group effect at 5% significance level, assuming no interaction between group therapy and pretest score. Give the full and

3. (30 points) Test for therapy group effect at 5% significance

3. (30 points) Test for therapy group effect at 5% significance level, assuming no interaction between group therapy and pretest score. Give the full and reduced models for testing for therapy group effect as well as the hypotheses. Use the extra sums of squares from PROC REG to compute test statistic. Use a TEST statement to get the P-value and make a conclusion

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