3. The following data show outcomes of a study on seven different treatments applied to four different groups (blocks) of people. The outcomes, on a scale from 0 to 100, are displayed below: Group Treatment 1 2 3 4 5 6 7 Group 1 77 68 69 93 74 43 Group 2 83 73 78 57 79 65 71 Group 3 87 78 78 63 86 75 64 Group 4 81 77 69 79 82 |70 55 a. Write the appropriate analysis of variance model and indicate the underlying assumptions. b. Find the treatment sum of squares, block sum of squares, and error sum of squares. c. How can you test the equality of treatment means? What is the test statistic? Comment on the findings of the treatments from the study. d. How can you test the equality of block means? What is the test statistic? What is your comment? e. Interpret your overall findings