Q. 15.0( 3 Votes )

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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,


We know, Median is the Middle term,


Therefore, Median = 61


Let xi =Heights in inches


And, fi = Number of students



N=197


Mean deviation=


Hence, The mean deviation is 1.70.


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