For a Given Confidence Level and When σ Is Known

question 58

Multiple Choice

For a given confidence level and when σ is known, the margin of error in a confidence interval estimate

• A) ​varies from sample to sample of the same size.
• B) ​is the same for all samples of the same size.
• C) ​increases as the sample size increases.
• D) ​is independent of sample size.

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