Math 109 Statistics Final Exam, May 7, 1997, Answers

The average contribution should not be used since it is obvious that a few (like James Barkaddidy’s) gift pulled the average way up (The median would be a lot better to use). You cannot add the percents—they aren’t mutually exclusive, and they aren’t accurate anyway (non-response bias). Matching: A, D, B, E, F. … ................
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