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Unformatted text preview: INDEX CARD QUESTION 2 Start with the following set of numbers. For each part below, show how to modify this set of numbers to achieve the desired result. 0 5 10 15 20 a. Change two numbers so that the variance decreases but the mean and median are unchanged. b. Change two numbers so that (i) the variance increases, (ii) the range is unchanged, and (iii) the mean and median are unchanged. c. Change one number so that so that the variance and mean decrease. d. Add one number to the set such that the variance decreases, while the median and mean remain unchanged. e. Give a new set of five numbers that has the same range and variance as the set above, but the mean is zero....
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This note was uploaded on 02/26/2012 for the course ECONOMICS 329 taught by Professor Bencivenga during the Spring '12 term at University of Texas.
- Spring '12