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Ex 15.1, 11 - Find mean deviation about median Class 0 - 10 - Mean deviation about median - Continuous frequency distibution

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  1. Class 11
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Ex 15.1, 11 Find the mean deviation about median for the following data: Median = ๐‘™ + ( ๐‘/2 โˆ’ ๐ถ)/๐‘“ ร—โ„Ž Where, ๐‘™ = lower limits of median class N = sum of frequencies ๐‘“ = frequency of median class C = Cumulative frequency of class before median class Here, ๐‘™ = 20, N = 50, C = 14, โ„Ž = 10, ๐‘“ = 14 Median = ๐‘™ + ( ๐‘/2 โˆ’ ๐ถ)/๐‘“ ร—โ„Ž = 20 + ( 50/2 โˆ’14)/14 ร— 10 = 20 + (25 โˆ’ 14)/14 ร— 10= 20 + 11/14 ร— 10 = 20 + 7.8 = 27.8

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