Which of the following values of n when added to the list of numbers:

Which of the following values of n when added to the list of numbers: 8, 16, 18 and 22, would result in a new set of five numbers that would have the least possible of standard deviation? (A) -16 (B) 0 (C) 16 (D) 17 (E) 18 Source: GMAT Quantum Math (…)