Consider a confidence interval for a population mean or for a population proportion. Assuming that all else remains unchanged, which of the following would produce a narrow confidence interval? 1. A smaller sample size 2. A smaller confidence level Smaller confidence level Neither a smaller sample size nor a smaller confidence level Smaller sample size Both a smaller sample size and a smaller confidence level Page 4 of 42

MATLAB: An Introduction with Applications
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Consider a confidence interval for a population mean or for a population proportion.
Assuming that all else remains unchanged, which of the following would produce a narrower
confidence interval?
1. A smaller sample size
2. A smaller confidence level
Smaller confidence level
Neither a smaller sample size nor a smaller confidence level
Smaller sample size
Both a smaller sample size and a smaller confidence level
Page 4 of 42
Transcribed Image Text:Listen Consider a confidence interval for a population mean or for a population proportion. Assuming that all else remains unchanged, which of the following would produce a narrower confidence interval? 1. A smaller sample size 2. A smaller confidence level Smaller confidence level Neither a smaller sample size nor a smaller confidence level Smaller sample size Both a smaller sample size and a smaller confidence level Page 4 of 42
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