Which one of the following is a nonprobability sample method?
a. Simple random sampling
b. Cluster sampling
c. Snowball sampling
d. Area sampling
e. Stratified random sampling
Answer: c. Snowball sampling
Business
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a. true b. false
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The major difference between advertising messages and personal selling presentations is the _____
a. total costs b. flexibility c. creation of awareness d. wholesaler involvement
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