Question: A reseearcher is selecting a sample drawn from a different strata or groups of a populatoin. This type of sampling is called ___________________. Select one:

A reseearcher is selecting a sample drawn from a different strata or groups of a populatoin. This type of sampling is called ___________________. Select one: a. Simple random samplling b. Systematic random sampling c. Stratified sampling d. Nonprobability sampling

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