Mathematics, 23.09.2021 01:00 lilymoniquesalaiz

if the mean of 100 students is 32.5 then find the value of x and y. marks 0-10,10-20,20-30,30-40,40-50,50-60 no. of students 5,15,20,x,20,y

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if the mean of 100 students is 32.5 then find the value of x and y. marks 0-10,10-20,20-30,30-40,40-...