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Chapter 15 Class 11 Statistics
Chapter 15 Class 11 Statistics
Last updated at May 7, 2024 by Teachoo
Ex 13.1, 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