Random Sample

Definition

A random sample is a subset of individuals selected from a larger population in such a way that every individual has an equal chance of being chosen. It helps to ensure that the sample is representative of the population.

Related terms

Sampling Bias: Sampling bias occurs when certain individuals or groups are more likely to be included in a sample than others, leading to an unrepresentative sample.

Simple Random Sample: A simple random sample is a subset of individuals selected from a larger population where each possible sample has an equal probability of being chosen.

Stratified Sampling: Stratified sampling involves dividing the population into subgroups (strata) based on specific characteristics and then selecting samples from each stratum.