Question

If in a data, $10$ numbers arranged in increasing order. If the $7$th entry is increased by $4,$ then the median increases by

• A. zero
• B. $4$
• C. $6$
• D. $5$

Answer 1

Answer: (A)

zero

The median would be average of the $5^{th}$ and $6^{th}$ observations. Since they are unaffected by increase in $7^{th}$ entry, the median will be unchanged.