The mean score in a test of 12 boys in a class was 16 while the overal – McqOptions

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1.	The mean score in a test of 12 boys in a class was 16 while the overall mean of 30 students in the class was 18.1. What was the mean score of the girls?
A.	20
B.	2.5
C.	19.5
D.	19.8
Answer» D. 19.8

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