Ex 15.1,  5 - Find mean deviation about mean xi 5, 10, fi 7, 4 - Mean deviation about mean - Discrete Frequency

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  1. Chapter 15 Class 11 Statistics
  2. Serial order wise

Transcript

Ex 15.1, 5 Find the mean deviation about the mean for the data. First we will calculate mean Mean deviation about mean = ( 128 | | )/( 128 ) Putting 128 | | = 158 , 128 = 25 M.D. ( ) = 1/25 158 = 6.32

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