Define Stratified Sampling.

Define Stratified Sampling.

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Define Stratified Sampling.

Efforts to mislead users of statistical information including biased sampling, misleading chart, table and descriptive measures, and inappropriate analysis or inappropriate interpretation of the results.

A sampling design in which we divide a population into subgroups that do not overlap, then select a random sample from each subgroup (stratum).

A qualitative variable value for which there is no ordering or ranking; data values are not numerical and fit into categories.

A qualitative variable value for which there is ordering or ranking.