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Unformatted text preview: a. 23% b. 42 c. 55 d. 78 * e. 80% Questions 5 – 10 refer to the following. An office manager wrote down the number of cups of coffee that each employee in the office drank at work in one month. The results for this population are as follows: 30 , 12 , 0 , 15 , 26 , 40 5. Using the correct symbol, calculate the variance. a. 13.06 b. 14.31 c. 170.6 * d. 204.7 e. 400 6. What is the interquartile range? a. 3.5 b. 18 * c. 21.5 d. 36 e. 40.5 7. Calculate the coefficient of variation. 2 2 a. 2% b. .6 c. .7 d. 63.71%* e. 69.8% 8. What is the range? a. 3.5 b. 18 c. 19 d. 40 * e. 52 9. What is the median? a. .25 b. 2 c. 20.5 * d. 26 e. 30 10.Does this distribution appear to be symmetric, skewed left, or skewed right? symmetric...
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This note was uploaded on 04/07/2008 for the course ECON 2843 taught by Professor Hudgins during the Spring '08 term at The University of Oklahoma.
 Spring '08
 HUDGINS

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