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Today at 9:39 PM
Mathematics

Answered

Calculate the mean of the height of all the students

Calculate the mean of the height of all the students class=

Answer :

Today at 9:43 PM

x/20=151 for boys
y/12=148. for girls

x+y/32=mean height of all students.

(20*151+12*148)/32=mean

Mean=149.875cm

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