5. Mann-Whitney U & Wilcoxon Signed- Rank Flashcards
(7 cards)
1
Q
What is the Mann-Whiteny?
A
Non-parametric version of the Independant T-test
2
Q
What is the key difference between MW & Independant t-test?
A
MW requires non-parametric or ordinal data
3
Q
What test for effect size for Mann-Whitney U?
A
Vargha- Delaney’s A
4
Q
What does Vargha- Delaney’s measure?
A
Which condition outperforms the other
5
Q
What is the value of Vargha-Delaney’s A?
A
A is a value between 0-1
6
Q
What does it mean if Vargha-Delaney’s A is more than 0.5?
A
The first condition has lower values
7
Q
What is the Wilcoxon Signed Rank?
A
Non-parametric version of Paired Samples T-test