Question

If a data set has an even number of observations, the median

• A. Can not be determined
• B. Is the average value of the two middle items
• C. Must be equal to the mean
• D. Is the average value of the two middle items when all items are arranged in ascending order

Answer 1

The correct option is D Is the average value of the two middle items when all items are arranged in ascending order

Median $M=\frac{1}{2}\times ({\frac{N}{2}}^{th}observations+{\frac{N+1}{2}}^{th}observation)$
Ans-Option $D$.