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Unformatted text preview: bonuses: $4,500 , $2,718 , $8,000 , $22,189 , $10,000 , $16,180 , $5,800 6. What is the interquartile range? a. $4.00 b. $4.50 c. $5.00 d. $9,000.00 e. $11,680.00 * 7. What is the range? 2 $19,471.00 (= 1,000*t) 8. What is the variance? a. $6,102.93 b. $6,971.7 c. 37,245,714.3 d. 48,604,661 * e. 1,138,000,000 9. In one or two sentences, given an interpretation/definition of the variance. The variance is the average of the squared deviations from the mean. It is one of the primary measures of dispersion and risk. 10. A family has spent $20,000 to purchase some shares of stock to save for a daughter’s college education. They expect the stock’s annual rate of return to be about 8.5%. If this holds true, how many years will it take for the value of this investment grow to $80,000? 17 years 3...
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- Spring '08
- Standard Deviation, a. b. c.