Question

The median of a set of 13 distinct observations is 17.50. If each of the largest 6 observations of the set is increased by 2.50, then median of the new set

• A. Is increased by 2.5
• B.
  Is increased by 15
• C. Is 2.5 times the original median
• D. remains the same as that of the original.

Answer 1

The correct option is D remains the same as that of the original.

n = 13 $\therefore$ Median term $=\frac{13+1}{2}=7^{th}$ term Last 6 terms have no role in this case.