Suppose we have a collection of the heights of all students at your college. Each of the 250 people taking statistics randomly takes a sample of 40 of these heights and constructs a 95% confidence interval for mean height of all students at the college. Which of the following statements about the confidence intervals is most accurate?
A) About 95% of the heights of all students at the college will be contained in these intervals.
B) About 95% of the time, a student's sample mean height will be contained in his or her interval.
C) About 95% of the intervals will contain the population mean height.
D) About 95% of the intervals will be identical.

Question

Quizplus · Accepted Answer

A 95% confidence interval means that if we were to take many samples and construct a confidence interval from each sample, about 95% of those intervals would contain the true population mean.

Suppose We Have a Collection of the Heights of All