suppose that you were going to using the permutation approach to see if there was a difference in the amount of money spent on cell phone bills between in state and out of state students? in state 100 90 0 80 120 out of state 130 90 80 0 0 210 the difference in the sample means is -7. the next step is to find 10,000 permutations. when you are conducting the permutations, what are you doing?