Math, asked by MANOGNABEESA, 3 months ago

mean is 42. class interval : 0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80; fi: 7,10,x,13,y,10,14,9.... sigmafi=100,find x and y....
lesson statistics class 10 cbse

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Answered by aswinisofia8440

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