If the limits of the confidence interval of the difference between the means of two normally distributed populations were from −2.6 to 1.4 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

Because zero is in the interval, we cannot assume that there is a significant difference between the two means at the 95 percent confidence level.

If the Limits of the Confidence Interval of the Difference