A sample in which every possible combination of items in the population has an equal chance of constituting the sample is a:
A) statistical sample.
B) random sample.
C) representative sample.
D) judgement sample.

Question

Quizplus · Accepted Answer

A random sample is one in which every possible combination of items in the population has an equal chance of constituting the sample. It is the most commonly used type of sample in statistical analysis and provides the greatest chance of representing the population accurately. Statistical, representative, and judgement samples do not guarantee equal chance of representation for all possible combinations of items in the population.

A Sample in Which Every Possible Combination of Items in the Population