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Finding MeanÂ for Grouped Data When Class Intervals Are Not Given

What is the m...

Question

What is the mean/average of factors of 20 ?

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Solution

Mean=Total of numbers / number of numbers.

Factors of 20=1,2,4,5,10,20
Total of munbers= 1+2+4+5+10+20=42
Number of numbers= 6

Therefore, mean=42/6=7

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Finding MeanÂ for Grouped Data When Class Intervals Are Not Given

Standard IX Mathematics

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