Economy, asked by jaiswalbaby001, 4 months ago

Calculate arithmeyic mean by direct method , Short cut method , Step deviation method
(a) Marks 12 , 14 , 16 , 18 , 20 , 22 , 24
No. of students 7 , 11 , 15 , 12 , 7 , 5 , 3

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Answered by ApuChem

1

Hope it will help you

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