If the average compressive strength is 4000 kg/cm and standard deviati – McqOptions

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1.	If the average compressive strength is 4000 kg/cm and standard deviation is 500, the co-efficient of variation is
A.	10%
B.	12.5%
C.	15%
D.	18.5 %
E.	20%
Answer» C. 15%

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