By definition, a simple random sample is one such that
A)each individual has an equal chance of being selected.
B)each possible sample of size n has an equal chance of being selected.
C)each nth person has an equal chance of being selected.
D)each element in every stratum has an equal chance of being selected.
E)None of these are a part of the definition.

Question

Quizplus · Accepted Answer

A simple random sample is one in which every possible sample of a given size has an equal chance of being selected. Option A describes a population that has been chosen by the process of simple random sampling, but not the sample itself. Option C describes systematic sampling, where every nth person is selected. Option D describes stratified random sampling, in which elements are selected from each stratum according to simple random sampling. Option E is incorrect as one of the options correctly describes the definition of a simple random sample.

By Definition, a Simple Random Sample Is One Such That