When to Use Rank Tests: Skewness, Outliers & the Median
This lesson is part of the course
In this lesson
You measure how skewed Larkspur Delivery's delivery times are, compare mean and median, and draw the histogram that shows why a t-test is a poor fit here.
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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