MathDB
Incomes Error

Source:

June 27, 2011

Problem Statement

The annual incomes of 10001000 families range from 82008200 dollars to 9800098000 dollars. In error, the largest income was entered on the computer as 980000980000 dollars. The difference between the mean of the incorrect data and the mean of the actual data is
(A) 882 dollars(B) 980 dollars(C) 1078 dollars(D) 482,000 dollars(E) 882,000 dollars \text{(A)}\ \text{882 dollars}\qquad\text{(B)}\ \text{980 dollars}\qquad\text{(C)}\ \text{1078 dollars}\qquad\text{(D)}\ \text{482,000 dollars}\qquad\text{(E)}\ \text{882,000 dollars}
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