Question

In order to study the color preferences of people in his town, Andrew samples the population by dividing the residents by regions and randomly selecting 7 of the regions. He collects data from all residents in the selected regions. Which type of sampling is used? Select the correct answer below Systematic sampling O Cluster sampling O Stratified sampling Convenience sampling FEEDBACK Content attribution Question 10 Doris is investigating if height has any effect on red blood cell count. What is the explanatory variable? Select the correct answer below the number of people that are being studied O red blood cell count O height O none of the above
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Answer #1

Question 9.

Ans: The correct sampling method is Cluster sampling.

Question 10.

Ans: The correct explanatory variable for the analysis is 'height'.

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