| a. | Student GPAs: Bob’s z-score | z | = | + | 2.50 | μμ | = | 2.95 | σσ | = | 0.40 | |
| b. | Weekly work hours: Sarah’s z-score | z | = | + | 1.39 | μμ | = | 24.7 | σσ | = | 6.8 | |
| c. | Bowling scores: Dave’s z-score | z | = | − | 1.17 | μμ | = | 200 | σσ | = | 40 | |
Find the original data value corresponding to each standardized
z-score. (Round your answers to 2 decimal
place.)
| a. | Bob’s GPA | |
| b. | Sarah’s weekly work hours | |
| c. | Dave’s bowling score | |