If you are interested in estimating the difference between the means of two samples that have been paired, the point estimate for this difference is the mean value of the paired differences.

Question

Quizplus · Accepted Answer

The point estimate for the difference between the means of two paired samples is indeed the mean of the differences between each pair of observations. This method is used in paired sample t-tests to analyze the mean difference between paired observations.

If You Are Interested in Estimating the Difference Between the Means