From a population of size 400, a random sample of 40 items is selected. The median of the sample
A) must be 200, since 400 divided by 2 is 200.
B) must be 10, since 400 divided by 40 is 10.
C) must be equal to the median of population, if the sample is truly random.
D) none of these alternatives is correct.

Question

Quizplus · Accepted Answer

The median of a sample does not have to be equal to the median of the population, nor does it have to be a specific number derived from the population size or sample size. It is simply the middle value of the ordered sample data.

From a Population of Size 400, a Random Sample of 40