MCQOPTIONS
Saved Bookmarks
| 1. |
The mean of 100 observations is 50 and the standard deviation is 10. If 5 is subtracted from each observation and then it is divided by 4, then what will be the new mean and the new standard deviation respectively? |
| A. | 45, 5 |
| B. | 11.25, 1.25 |
| C. | 11.25, 2.5 |
| D. | 12.5, 2.5 |
| Answer» D. 12.5, 2.5 | |