Short Answer
For the group of adult joggers competing in the Windy City Mini-marathon, the following are the summary statistics for annual income (X) and time to complete the race (Y):
(a) Jack L. and Linda P. have annual incomes of $12,372 and $24,812, respectively. What race times would you predict? (Hint: No calculations are necessary). (b) What general principle is illustrated by this problem?
Correct Answer:

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