MCQOPTIONS
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| 1. |
The mean of 5 observations is 4.4 and variance is 8.24. If three of the five observations are 1, 2 and 6, then what are the other two observations? |
| A. | 9, 16 |
| B. | 9, 4 |
| C. | 81, 16 |
| D. | 81, 4 |
| Answer» C. 81, 16 | |