Q. 84.5( 2 Votes )

Calculate mean de

Answer :

Given, Numbers of observations are given.


To Find: Calculate the Mean Deviation


Formula Used: Mean Deviation =


Explanation.


Here we have to calculate the mean deviation from the median. So,


N = 20



So, the cumulative frequency just greater than 10 is 12, and the corresponding value of x is 15


Median = 15


Now, Mean =



Mean = 14.1



Mean deviation from Median


And, Mean deviation from Median


Hence, The Mean Deviation from the median is 6.9 and from mean is 6.99.


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