A class has 26 boys and 14 girls the mean weight of boys is 40 kg and girls os 35 kg find the total means of the student
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mean weight of boys = 40kg
mean weight of girls = 35 kg
total mean = mean weight of boys + girls ÷2
=40+35÷2
=75÷2
=37.5kg
mean weight of girls = 35 kg
total mean = mean weight of boys + girls ÷2
=40+35÷2
=75÷2
=37.5kg
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