Which of the following would have no effect on the width of a confidence interval?
A)Increase the sample mean
B)Increase the size of the sample
C)Increase the percentage of confidence
D)Increase the sample variance

Question

Quizplus · Accepted Answer

Increasing the sample mean does not affect the width of a confidence interval. The width is influenced by the sample size, the level of confidence, and the variability of the data, but not by the value of the mean itself.

Which of the Following Would Have No Effect on the Width