Which of the following would cause Fobt to increase? a. An increase in the difference between the means b. An increase in the within-groups variability O c. An increase in the magnitude of the independent variable's effect O d. An increase in the difference between the means and an increase in the within-groups variability e. An increase in the difference between the means and an increase in the magnitude of the independent variable's effect QUESTION 11 Which of the following increase(s) as the difference between the group means increases? O a. MSbetween O b. Fobt O c. tobt O d. all of these QUESTION 12 If SStotal = 20 and SSbetween =0 n =00 14, SSwithin O a. 34 O b. 6 O c. 06 O d. Need more information