If the limits of the confidence interval of the difference between the means of two normally distributed populations were 8.5 and 11.5 at the 95 percent confidence level, then we can conclude that we are 95 percent certain that there is a significant difference between the two population means.

Question

Quizplus · Accepted Answer

This is true because the confidence interval does not contain 0.

If the Limits of the Confidence Interval of the Difference