Multiple Choice
If a researcher for Procter & Gamble selects five states randomly,and then selects 10 supermarket chains within each of these states to call for a phone survey for a test market of a new shampoo,what type of sampling procedure is being used?
A) systematic sample
B) simple random sample
C) nonprobability sample
D) cluster sample
Correct Answer:
Verified
Correct Answer:
Verified
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