Holding the width of a confidence interval fixed,increasing the level of confidence can be achieved with a lower sample size.

Question

Quizplus · Accepted Answer

Increasing the level of confidence, while holding the width of a confidence interval fixed, requires a larger sample size because a higher confidence level means capturing a larger portion of the population distribution, necessitating more data points to maintain the same interval width.

Holding the Width of a Confidence Interval Fixed,increasing the Level