All else being equal, increasing the level of confidence desired will
A) tighten the confidence interval.
B) decrease the margin of error.
C) leave the margin of error unchanged.
D) increase the margin of error.
E) increase the standard error.

Question

Quizplus · Accepted Answer

Increasing the level of confidence desired will increase the margin of error. This is because a higher level of confidence requires a wider interval around the point estimate, which leads to a larger margin of error.

All Else Being Equal, Increasing the Level of Confidence Desired