In interval estimation, as the sample size becomes larger, the interval estimate
A)becomes narrower
B)becomes wider
C)remains the same, since the mean is not changing
D)gets closer to 1.96

Question

Quizplus · Accepted Answer

As the sample size becomes larger, the standard error (which is the standard deviation of the sample mean) decreases, resulting in a smaller margin of error. This means that the interval estimate becomes narrower.

In Interval Estimation, as the Sample Size Becomes Larger, the Interval