The set mean of 6 observations is 10. And the mean of the set of 4 obs – McqOptions

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1.	The set mean of 6 observations is 10. And the mean of the set of 4 observations is 5. What will be the mean of the mixed sets?
A.	7.5
B.	8
C.	8.5
D.	9
Answer» D. 9

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