MCQOPTIONS
Saved Bookmarks
| 1. |
The mean of a set of observation is \[\bar{x}.\]if each observation is divided by \[\alpha ,a\ne 0\] and then is increased by 10, then the mean of the new set is |
| A. | \[\frac{{\bar{x}}}{a}\] |
| B. | \[\frac{\bar{x}+10}{a}\] |
| C. | \[\frac{\bar{x}+10a}{a}\] |
| D. | \[a\bar{x}+10\] |
| Answer» D. \[a\bar{x}+10\] | |