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1 Find the mean marks of the students for the following distribution Marks Number of...

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Algebra

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1 Find the mean marks of the students for the following distribution Marks Number of Students 0 and above 80 80 10 and above 77 20 and above 72 30 and above 65 40 and above 55 50 and above 43 Marks Number of Students 60 and above 28 70 and above e 16 16 80 and above 10 90 and above 8 100 and above 0

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