For a parameter that is identified, what should happen to the 99% confidence interval as the sample size gets larger?
A) The right tail should get larger.
B) The left tail should get larger.
C) The width of the interval should get smaller.
D) The width of the interval should get wider.

Question

Quizplus · Accepted Answer

As the sample size gets larger, the standard error decreases, which leads to a narrower confidence interval. This is because more data points lead to more precise estimates of the population parameter. Therefore, the width of the confidence interval should get smaller.

For a Parameter That Is Identified, What Should Happen to the 99