1.

The following table shows the gain in weight by 25 children in a year. What is the mean value of gain in weight?_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ _x005F_x000D_ Gain in weight (in kg)_x005F_x000D_ No. of children_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 1.5_x005F_x000D_ 4_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 2_x005F_x000D_ 5_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 2.4_x005F_x000D_ 8_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 3_x005F_x000D_ 5_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 3.2_x005F_x000D_ 2_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ 3.4_x005F_x000D_ 1_x005F_x000D_ _x005F_x000D_ _x005F_x000D_ _x005F_x000D_

A. 2.1
B. 2.4
C. 3.2
D. 1.9
Answer» C. 3.2


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