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The annual part-time earnings of a sample of college students are given below. Earnings ($1000s) Frequency 10- 14 2 15- 19 3 20- 24 5
The annual part-time earnings of a sample of college students are given below.
| Earnings ($1000s) | Frequency | ||
| 10- 14 | 2 | ||
| 15- 19 | 3 | ||
| 20- 24 | 5 | ||
| 25- 29 | 7 | ||
| 30- 34 | 2 | ||
| 35- 39 | 1 |
| a. | Compute the mean. |
| b. | Compute the variance. |
| c. | Compute the standard deviation. |
| d. | Compute the coefficient of variation. |
ANS: Show Work
| a. | 23.7 |
| b. | 42.83 |
| c. | 6.54 |
| d. | 27.59 |
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Calculus Early Transcendentals
Authors: Howard Anton, Irl C Bivens, Stephen Davis
11th Edition
1118883764, 9781118883761
