Price of a commodity A (in euro) in a set of shops is as following: No shops 1 2 3 4 5 Price (in euro) 16 18 12 6 7 16 18 16 17 euro. Calculate variation of the price using coeficient of variation given average price of 16,14 Answer A) 2,89% Answer B) 11,68% Answer C) 3,55% Answer D) 1,70% Answer E) 1,88%