If some natural relationship exists between each pair of observations that provides a logical reason to compare the first observation of sample 1 with the first observation of sample 2,the second observation of sample 1 with the second observation of sample 2,and so on,the samples are referred to as:
A)matched pairs.
B)independent samples.
C)nonrandom samples.
D)None of these choices.

Question

Quizplus · Accepted Answer

Matched pairs are pairs of observations that are related in a natural or logical way, such as a before-and-after scenario or identical twins. In this case, the first observation of sample 1 would be matched with the first observation of sample 2, and so on. Therefore, the best choice is A, matched pairs.

If Some Natural Relationship Exists Between Each Pair of Observations