The sample mean for a set of data is 75, with a 95% confidence interval of 15. What is the best interpretation of these results?
A)There is a 95% probability that the population mean is 75.
B)If we conducted the study many times, the population mean would fall inside 95% of the confidence intervals for those studies.
C)The population mean is between 60 and 90.
D)Ninety-five percent of samples from this population would have a mean between 15 and 75.

Question

Quizplus · Accepted Answer

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

The Sample Mean for a Set of Data Is 75