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 ...

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

This paper describes an investigation into the efficiency of a random-digit-dialed telephone survey for the collection of health attitude information. Data come from a survey of adults in Oakland ...