Question

please answer by solving
in a class there are 50 students out of them the mean weight of 30 boys is 35 kg and the mean weight of 20 girls is 30 kg then find the mean weight of the student ​

Answer 1

Answer:

30 boys - 35 kg

20 girls - 30 kg

Mean Weight of the student - 35 kg+30kg=65 kg

Answer 2

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The mean of weight of the student is 41.25 kg.

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total weight of boys = 30 X 35 = 1050 kg

total weight of girls = 20 X 30 = 600 kg

total weight of the class = 1050 + 600 = 1650 kg

mean weight of the student = 1650 / 50 = 41.25 kg

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