D Question 30 Four brands of cars had their fuel efficiency, as measured in miles per gallon, tested Test to see if there is a difference in the means for these brands. Brand A Brand B Brand C Brand D 35 36 29 26 27 30 30 31 24 32 28 Use the drop-down menus to answer some questions about these questions. You do not need to do the complete hypothesis test. a. The HO Hypothesis looks like what? [ Select ] (Note: u is used in place of /4.) b. Is the claim assigned to HO or H1? [ Select ] v c. Identify the type of hypothesis test you would need to conduct. [ Select ] [ Select ] d. Identify the distribution (z, t, x2,F, r) that is used for the test you picked