Stratified Random Samples

Stratified Random Samples


This lesson will explain stratified random sampling.

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Introduction to Statistics

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  • Stratum/Strata

    The homogenous groups in a stratified random sample. All individuals in each stratum have something in common, and we would like to see how that affects the outcome of the sample.

  • Stratified Random Sample

    A random sampling method where individuals are separated into homogenous groups, then simple random samples are taken within each group.