Other things being equal,as the confidence level for a confidence interval increases,the width of the interval increases.

Question

Quizplus · Accepted Answer

This is true because as the confidence level increases, we want to be more certain that the true population parameter falls within our interval. In order to achieve this higher level of certainty, we need to have a wider interval to account for more possible values of the population parameter.

Other Things Being Equal,as the Confidence Level for a Confidence