If the sample standard deviation turns out to be larger than the estimated population standard deviation,the confidence interval to estimate a population mean will be ____ planned.
A)Narrower than
B)Wider than
C)The same as
D)As precise as
E)None of the above

Question

Quizplus · Accepted Answer

A larger sample standard deviation indicates more variability within the sample, which suggests that the true population standard deviation is also larger. A larger standard deviation leads to a wider confidence interval as the margin of error will be greater.

If the Sample Standard Deviation Turns Out to Be Larger