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. \[\frac{41}{4}\]


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