4. In a study, there are three independent groups. In Group 1, the scores are 2, 7, and 3; in Group 2, the scores are 5, 4, and 9; in Group 3, the scores are 11, 9, and 13. a) Using the...

i need help

Extracted text: 4. In a study, there are three independent groups. In Group 1, the scores are 2, 7, and 3; in Group 2, the scores are 5, 4, and 9; in Group 3, the scores are 11, 9, and 13. a) Using the deviation-score formulae we used in class (for example, SS =2 (X - X)find SS., SSst. and SSutal. Does SSa SSe+ Ss? (Demonstrate this by calculating SSal from the raw scores.) b) What are the values of dfit, dfu, and dfa? e) Present the results so far in an ANOVA summary table. Add an ANOVA F test of the hypothesis that the population group means are equal, using alpha = .05. State your conclusions.