9. ADVANCED TOPIC: Do the following for the scores in practice problems

(a) 6,

(b) 7, and

(c) 8: (i) Figure the analysis of variance using the structural model approach from “Introduction to the Analysis of Variance”; (ii) figure the proportionate reduction in error based on the analysis of variance results; (iii) carry out a regression analysis (predicting the measured variable score from the group that participants are in); (iv) figure the proportionate reduction in error using the long method of figuring predicted scores, and finding the average squared error using them; and (v) make a chart showing the parallels in the results; for (a), also (vi)
explain the major similarities. (Use the .05 level throughout.)