Wilcoxon Signed-Rank Test: Paired Before/After Data
This lesson is part of the course
In this lesson
You test whether a route training made 12 couriers faster on the same test route: differences, ranks of |d|, signed ranks, W+ and the normal-approximation p-value.
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Lessons in this course
- When to Use Rank Tests: Skewness, Outliers & the Median Locked
- Ranking Data: RANK.EQ, RANK.AVG and Ties Locked
- Mann-Whitney U Test: Two Independent Groups Locked
- Wilcoxon Signed-Rank Test: Paired Before/After Data Locked
- Kruskal-Wallis H Test: Three or More Groups Locked
- Spearman Rank Correlation vs Pearson Locked
- The Sign Test: Only Up or Down Locked
- Bootstrap Confidence Interval from Resampled Means Locked