SOLUTION: Identify the type of sampling (simple random, stratified, systematic, or cluster) that best describes each of the following cases: (a) Interviewing ten randomly se

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Question 1021456: Identify the type of sampling (simple random, stratified, systematic, or cluster) that best describes each of the following cases:


(a) Interviewing ten randomly selected faculty members selected from each grade level at a large school district.


(b) Assigning each medical laboratory across the state of Kansas a number and then randomly selecting ten to test all venting hood devices in those selected labs.



(c) Compiling an alphabitized list of all family-owned stores in Kansas, then selecting every 10th store on the list.



Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The first is a cluster sample: the population has been divided into clusters, and a SRS is taken from each cluster.
The second is a simple random sample
The third is a systematic sample.
Stratified does more from certain groups.