Question

For each of the questions below calculate (show all work):

1) Null and alternative hypothesis
2) Cutoff score (α, df_BG, df_E)
3) Sum of squares between- and within-groups (SS_BG, SS_E)
4) Mean square between- and within-groups (MS_BG, MS_E)
5) F_obt
6)Decision to retain or reject the null and write-up

A researcher is concerned about the level of knowledge possessed by university students regarding United States history. Students completed a high school senior level standardized U.S. history exam. Major for students was also recorded. Data in terms of percent correct is recorded below for 18 students. He is predicting that the groups will differ significantly at α = .05. (Round to the hundredths place)

Education	Business	Social Sciences
62	72	42
67	63	52
58	68	31
48	39	80
75	79	22

Answer 1