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Ex 15.1, 6 - Find mean deviation about mean - Chapter 15 CBSE - Mean deviation about mean - Discrete Frequency

Ex 15.1,  6 - Chapter 15 Class 11 Statistics - Part 2

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Ex 15.1, 6 Find the mean deviation about the mean for the data First we will calculate mean Mean deviation about mean = ( 128 | | )/( 128 ) Putting 128 | | = 1280 , 128 = 80 M.D. ( ) = 1/80 1280 = 16

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