how to find average weight of 40 students
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find the sum of the weights of all 40 students and divide it by 40 because
average= sum of observations ÷ number of observations...and here observations are the weights of all 40 students
average= sum of observations ÷ number of observations...and here observations are the weights of all 40 students
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the given 40 students ages are:-
x1,x2,x3,x4,x5,--------,x40
average of 40 students ages
x1+x2+x3+x4+--------+x40 /40
then we can find the average of 40 students ages
x1,x2,x3,x4,x5,--------,x40
average of 40 students ages
x1+x2+x3+x4+--------+x40 /40
then we can find the average of 40 students ages
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