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14. A class has 26 boys and 14 girls. The mean weight of boys of the class is 40 kg and the
Acean weight of the girls of the class is 35 kg. Find the mean weight of the students of the
class.
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Answer:
sum of weight of boys / 26 = 40
sum of weight of boys = 40*26 = 1040
sum of weight of girls/ 14 = 35
sum of Weight of girls = 35*14 = 490
mean weight of the students of the class:
(1040+490) / (26+14)
1530 / 40
= 38.25
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