(See Solution) A researcher surveyed 50 randomly selected males and 50 randomly selected females to see how they paid their bills. The data are shown. At
Question: A researcher surveyed 50 randomly selected males and 50 randomly selected females to see how they paid their bills. The data are shown. At α = 0.01, test the claim that the proportions are not equal. What might be a reason for the difference, if one exists?
| Checks | Electronically | In Person | |
| Males | 27 | 15 | 8 |
| Females | 22 | 19 | 9 |
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