The mean of he marks in Statistics of 10...

The mean of he marks in Statistics of 100 students in a class was 72 . The mean of marks for boys was 75, while their number was 70. The mean of marks of girls in the class was

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MTG IIT JEE FOUNDATION-DATA HANDLING-Exercise (Level - 1) M.C.Q

A variate takes 13 values which are arranged in ascending order of th...
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From a series of 50 observations, an observation with the value of 45 ...
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The mean of he marks in Statistics of 100 students in a class was 72 ....
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