For a 95% confidence interval, a larger sample size will generally give
A) a least-squares line.
B) a larger margin of error.
C) less bias.
D) higher correlation.
E) a smaller margin of error.

Question

Quizplus · Accepted Answer

As sample size increases, the variability of the sample means decreases, which leads to a smaller standard error and a smaller margin of error for the confidence interval.

For a 95% Confidence Interval, a Larger Sample Size Will