Having calculated a 95% confidence interval for a difference between two means,we may conclude that the odds are 95/100 that the
A) true population mean difference falls in the interval.
B) difference between the sample mean is the same as the difference between the population means.
C) population mean difference is less than 95.
D) obtained interval contains the true population mean difference.

Question

Quizplus · Accepted Answer

A 95% confidence interval for a difference between two means indicates that we can be 95% confident that the interval contains the true population mean difference, not that the true mean difference falls within the interval with a probability of 95/100.

Having Calculated a 95% Confidence Interval for a Difference Between