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in Descriptive Statistics and Probability by (47.4k points)
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Find out the coefficient of mean deviation about median in the following series:

Age in years 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
No. of persons 8 12 16 20 37 25 19 13

1 Answer

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by (47.8k points)
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Best answer

The class interval corresponding to cumulative frequency 75 is (40 – 50). 

So, the corresponding values from the median class are L = 40, pcf = 56, f = 37, C = 10, N = 75.

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