Ex 13.1, 11 - Chapter 13 Class 11 Statistics
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Ex 13.1, 11 Find the mean deviation about median for the following data: Median = + ( /2 )/ Where, = lower limits of median class N = sum of frequencies = frequency of median class C = Cumulative frequency of class before median class Here, = 20, N = 50, C = 14, = 10, = 14 Median = + ( /2 )/ = 20 + ( 50/2 14)/14 10 = 20 + (25 14)/14 10= 20 + 11/14 10 = 20 + 7.8 = 27.8
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