A researcher interviewed 2067 people and asked whether they were the primary decision makers in the household when buying a new car last year. Two hundred seven were men and had bought a new car last year. sixty-five were women and had bought a new car last year. Eight hundred-eleven of the responses were from men who did not buy a car last year. Nine hundred eighty-four were from women who did not buy a car last year. use these data to determine whether gender is independent of being a major decision maker in purchasing a car last year. let a =.05