Skip to content

Wilcoxon Signed Ranks Test

Wilcoxon Signed Ranks Test:

The Wilcoxon signed ranks test is aimed at testing a null hypothesis from paired replicates data – that both treatments are equivalent. This test is based on one of the two Wilcoxon rank sums as the test statistic.

The Wilcoxon signed ranks test allows you to utilize information about order (rank) of the magnitude of the difference between two replicated measurements. In other words, this test gives more weight to the pairs of measurements which show higher difference. Note that this test does not use the absolute magnitude of the difference, just its rank. In other words, a difference of 4 is considered larger than a difference of 2, but not twice as large, nor 2 units larger.

This is a nonparametric test .

Browse Other Glossary Entries

Test Yourself

Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.

Data Analytics

Considering becoming adata scientist, customer analyst or our data science certificate program?

Analytics Quiz

Advanced Statistics Quiz

Statistics Quiz


Looking at statistics for graduate programs or to enhance your foundational knowledge?

Statistics 1 Quiz

Regression Quiz

Regression Quiz


Entering the biostatistics field? Test your skill here.

Biostatistics Quiz

Advanced Statistics Quiz

Statistics 2 Quiz

Stay Informed

Our Blog

Read up on our latest blogs


Learn about our certificate programs


Find the right course for you

Contact Us

We'd love to answer your questions

Our mentors and academic advisors are standing by to help guide you towards the courses or program that makes the most sense for you and your goals.

300 W Main St STE 301, Charlottesville, VA 22903

(434) 973-7673

By submitting your information, you agree to receive email communications from All information submitted is subject to our privacy policy. You may opt out of receiving communications at any time.