As the differences between the group means increases, a. MSbetween increases O b. Fobt decreases O c. tobt decreases O d. all of these O e. none of the above QUESTION 8 The one-way ANOVA partitions the total variability into O a. SSwithin and SSbetween O b. MSwithin and MSbetween O c. SSwithin and SStotal O d. SSbetween and MSbetween QUESTION 9 When analyzing data from experiments that involve more than two groups O a. doing t tests on all possible pairs of means decreases the probability of making Type | errors O b. doing t tests on all possible pairs of means increases the probability of making Type I errors O c. it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution O d. doing t tests on all possible pairs of means increases the probability of making Type II errors