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

Visualizing a simple random sample: Simple Random Sample of Lotto Balls This applet animates the random sampling of lotto balls. The population size can be set anywhere between 1 and 144. Users can ...

This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

Simple random and stratified random samples are statistical measurement tools. A simple random sample takes a small, basic portion of the entire population to represent the entire data set.

Simple random sampling is easy to implement and understand, and it ensures that the sample is representative of the population in general. However, simple random sampling also has some drawbacks.

An example of a simple random sample would be to choose the names of 25 employees out of a hat from a company of 250 employees. In this case the population is all 250 employees, and the sample is ...