Question

Explain one possible advantage of using a paired sample instead of independent samples.

Short answer

An explanation of the possible advantage is given.

Step-by-step solution

Given Information

To explain one possible advantage of using a paired sample instead of independent samples.

Explanation

An extraneous source of variation can be eliminated in a paired sample.

The sampling error made in estimating differences between population means will be smaller, and it will be more likely to explore the difference between population means when such a difference exists.