Paired Related Samples
Wilcoxon Signed-Rank Test
A non-parametric alternative to the Paired Samples T-test. Used to determine if there is a significant difference between two related groups or repeated measurements.
Configure data
n = 0
n = 0
Rank Sum Calculation
| Sum of Positive Ranks (W+) | Sum of Negative Ranks (W-) | Test Statistic (W) | N (Excluding Zeros) |
|---|
Distribution Chart
APA 7th Reporting
Interpretation Report
1
Hypothesis
2
Test Logic
Statistical Theory
The Wilcoxon Signed-Rank Test is used for comparing two related samples to assess whether their population mean ranks differ.
Assumptions
- Data are paired and come from the same population.
- The dependencies within pairs are consistent.
- The distribution of differences is symmetric around the median.
- The measurement scale is at least Ordinal.