

MCQOPTIONS
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1. |
If the combined mean of two groups is \[\frac{40}{3}\] and if the mean of one group with 10 observations is 15, then the mean of the other group with 8 observation is equal to |
A. | \[\frac{46}{3}\] |
B. | \[\frac{35}{4}\] |
C. | \[\frac{45}{4}\] |
D. | \[\frac{41}{4}\] |
Answer» D. \[\frac{41}{4}\] | |