A statewide sample survey is to be made. First, thestate is subdivided into coun

Question

A statewide sample survey is to be made. First, thestate is subdivided into counties. Seven counties areselected at random and further sampling is concentrated on theseseven counties. What type of sampling is this? A. Simple Random B. Nonproportional C. Cluster D. Stratified Which of the above is the correct answer A statewide sample survey is to be made. First, thestate is subdivided into counties. Seven counties areselected at random and further sampling is concentrated on theseseven counties. What type of sampling is this? A. Simple Random B. Nonproportional C. Cluster D. Stratified Which of the above is the correct answer

Explanation / Answer

The answer is D, stratified sampling.

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