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0 votes
4.5k views
in Mathematics by (68.5k points)

In any discrete series (when all values are not same) if x represents mean deviation about mean and y represents standard deviation, then which one of the following is correct? 

a. y ≥ x  

b. y ≤ x  

c. x = y 

d. x < y

1 Answer

+1 vote
by (45.7k points)
selected by
 
Best answer

Correct option d. x < y

Explanation:

x = M.D., y = S. D

M.D = 4/5 S D ⇒ x < y

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