Which one of the following statements about a confidence interval is TRUE? Changes in the required level of confidence, 1-alpha, do not affect the width of the confidence interval. The width of confidence interval is increased when the sample size is decreased. The width of confidence interval is increased when the sample size is increased. The wider the confidence interval, the least precise the estimate of the population parameter

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5. Which one of the following statements about a confidence interval is TRUE?
Changes in the required level of confidence, 1-alpha, do not affect the width of the confidence interval.
The width of confidence interval is increased when the sample size is decreased.
The width of confidence interval is increased when the sample size is increased.
The wider the confidence interval, the least precise the estimate of the population parameter
Transcribed Image Text:5. Which one of the following statements about a confidence interval is TRUE? Changes in the required level of confidence, 1-alpha, do not affect the width of the confidence interval. The width of confidence interval is increased when the sample size is decreased. The width of confidence interval is increased when the sample size is increased. The wider the confidence interval, the least precise the estimate of the population parameter
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