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in Statistics by (49.7k points)

Let m be the mid point and b be the upper limit of a class in a continuous frequency distribution. The lower limit of the class is 

(1) 2m – b 

(2) 2m + b 

(3) m – b 

(4) m – 2b

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1 Answer

+1 vote
by (49.3k points)

Answer is (1) 2m – b

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