The ______ the desired width of a confidence interval, the ______ the necessary sample size.
A) larger; larger
B) smaller; smaller
C) larger; smaller
D) smaller; larger

Question

Quizplus · Accepted Answer

The wider the desired width of a confidence interval, the smaller the necessary sample size. This is because a wider confidence interval means that we are less precise in our estimate, and therefore we need a smaller sample size to achieve the same level of confidence.

The ______ the Desired Width of a Confidence Interval, the ______

The the Desired Width of a Confidence Interval, the