Pooled Sample

Definition

A pooled sample is a combined sample that includes data from two or more groups or populations. It is often used in hypothesis testing to estimate the common standard deviation for the groups being compared.

Related terms

Independent Samples: Samples that are selected from different populations or groups and do not influence each other.

Standard Deviation: A measure of how spread out the values in a dataset are around the mean.

Variance: The average squared difference between each value in a dataset and its mean.