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 these

Question

Quizplus · Accepted Answer

The width of an interval estimate can be controlled by changing the confidence level, alpha level, or sample size. Increasing the confidence level or decreasing the alpha level will widen the interval, while increasing the sample size will narrow it.

The Width of an Interval Estimate Can Be Controlled by