Select an appropriate response Which of the following tests
Select an appropriate response.
Which of the following tests could detect some nonlinear relationships between two variables?
rank correlation test
sign test
Wilcoxon rank-sum test
Wilcoxon signed-ranks test
| rank correlation test | ||
| sign test | ||
| Wilcoxon rank-sum test | ||
| Wilcoxon signed-ranks test |
Solution
Select an appropriate response.
Which of the following tests could detect some nonlinear relationships between two variables?
rank correlation test
sign test
Wilcoxon rank-sum test
Wilcoxon signed-ranks test
Rank correlation is used to find relation between ordinal level data. The rank correlation test may also be used to detect a nonlinear relationship between two variables.
The other three tests are used to test whether the medians are equal in the two populations or data come from a population with given median.
| rank correlation test | ||
| sign test | ||
| Wilcoxon rank-sum test | ||
| Wilcoxon signed-ranks test |
