Nonparametric Studies

Question 0

To examine differences between 2 groups

Answer 0

Wilcoxon rank sum

Question 1

To examine differences between 2 groups

Answer 1

Mann-Whitney U

Question 2

To examine differences within the same group

Answer 2

Wilcoxon signed rank test

Question 3

To examine differences between 2 groups

Answer 3

Chi-squared goodness-of-fit test

Question 4

To examine the difference between 3 or more groups(control groups and experimental groups)

Answer 4

Kruskal-Wallis H

Question 5

To examine differences among repeated measures on subjects within the same group

Answer 5

Friedman’s ANOVA

Question 6

Is there a relationship between 2 variables?

Nominal level data

Answer 6

Chi-squared test of independence

Question 7

Is there a difference between 2 variables? Ordinal data

Answer 7

Spearman rank correlation coefficient

Question 8

Is there a relationship between 3 or more variables?

Nominal data

Answer 8

Kappa

Question 9

What is the the probability of an event occurring based on the value of the known factor?

Answer 9

Logistic regression
Dependent variable- nominal
Independent can be nominal, interval or ratio

Question 10

What is the probability of an event occurring based on the value of 2 or more known factors?

Answer 10

Multiple logistic regression