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Which statement is correct? A. Judgment sampling is preferred to systematic sampling.B. Sampling without replacement introduces bias in our estimates of parameters.C. Cluster sampling is useful when strata
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Which statement is correct? A. Judgment sampling is preferred to systematic sampling.B. Sampling without replacement introduces bias in our estimates of parameters.C. Cluster sampling is useful when strata characteristics are unknown.D. Focus groups usually work best without a moderator

User Amir Foghel
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Answer:

C. Cluster sampling is useful when strata characteristics are unknown.

Step-by-step explanation:

Cluster sampling is a sampling plan utilized when commonly homogeneous yet inside heterogeneous groupings are obvious in a statistical population. It is frequently utilized in marketing research.

User Igor Lozovsky
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