a. If you were conducting a one-way ANOVA involving four groups (Group 1 to Group 4), what are the two ways you could state the null hypothesis (H0)?
b. Which of these is the correct way to state the alternative hypothesis: H1: all us are not equal or H1: not all us are equal? Why is one way correct and the other way incorrect?
Â c. Why does hypothesis testing in the one-way ANOVA involve two degrees of freedom?
Â d. Why is debug = # groups = 1 and debug = Î£ (Ni â€“ 1)?
e. How is stating the critical value and decision rule for the F-ratio different from the t-test?
Â f. In measuring between-group and within-group variance, what does the symbol MS represent?