Ashutosh sir didnt understand your explanation, you didnt tell what deviation is and didnt explain clearly.
Please explain again!
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/the-sum-of-the-deviations-of-a-set-of-n-values-x1-x2/math/12093351
Regards
https://www.meritnation.com/ask-answer/question/the-sum-of-the-deviations-of-a-set-of-n-values-x1-x2/math/12093351
Regards