In Statistics, What is a Sample

Question

In statistics, what is a sample?
A) the mean of a population to be studied
B) a small subgroup of a population to be studied
C) the correlation between the two different experimental factors
D) a range of values with a high probability of containing the true mean

Accepted Answer

A sample is a small subgroup of a population to be studied. It is taken from the larger population and is used to draw conclusions about the population as a whole.