Which of the following most accurately describes A 95% confidence interval of a mean?
A) the sample has a 95% probability of capturing the true mean.
B) 95% of all samples will capture the true mean
C) 95% of the time, the true mean will be in the sample statistic
D) 95% of the sample means will be statistically significant.

Question

Quizplus · Accepted Answer

B) is correct because a 95% confidence interval means that if we were to take 100 different samples and compute a confidence interval for each sample, we would expect 95 of those intervals to contain the true population mean. The other options misinterpret the concept of a confidence interval.

Which of the Following Most Accurately Describes a 95% Confidence