A sign test is a
A)parametric method for determining the differences between two populations based on two matched samples
B)nonparametric method for determining the differences between two populations based on two matched samples
C)nonparametric method for determining the differences between two or more populations based on two or more matched samples
D)parametric method for determining the differences between two or more populations based on two or more matched samples

Question

Quizplus · Accepted Answer

A sign test is a nonparametric method that tests for differences between two populations based on two matched samples. It involves comparing the signs (positive or negative) of the differences between the matched pairs and testing whether there is a significant difference in the proportions of positive and negative differences.

A Sign Test Is a