The width of an interval estimate can be controlled by________.
A) changing the confidence level.
B) changing the alpha level.
C) changing the sample size.
D) Any of the answer choices

Question

Quizplus · Accepted Answer

The width of an interval estimate can be controlled by changing the confidence level (which directly affects the alpha level), and by changing the sample size. A higher confidence level or a smaller sample size will increase the width, while a lower confidence level or a larger sample size will decrease the width.

The Width of an Interval Estimate Can Be Controlled By________