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If ui = (xi -25)/10, ∑fiui = 20, ∑fi = 100, then bar x =

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If ui = (xi -25)/10, ∑fiui = 20, ∑fi = 100, then bar x =

(A) 23 

(B) 24 

(C) 27 

(D) 25

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The correct option is: (C) 27 

Explanation:

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