A simple random sample is a subset of a statistical population where each member of the population is equally likely to be chosen.

Key Points Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using randomness to gather points. True random sampling gives a ...

In simple random sampling, each unit has an equal probability of selection, and sampling is without replacement. Without-replacement sampling means that a unit cannot be selected more than once.

Learn how simple random sampling works and what advantages it offers over other methods when selecting a research group from a larger population.