Statistics

Question 1

Parametric test - define

Answer 1

Test that assumes normal distribution of population data for variable being tested. Used for testing variables that are interval or ratio.

Question 2

Non-parametric test - define

Answer 2

Test used fo data not normally distributed within population. Used for nominal or ordinal value.

Question 3

Examples of parametric tests (5)

Answer 3

Pearson
T-test
Analysis of variance (ANOVA)
f-test
z-test

Question 4

Examples of non-parametric tests (7)

Answer 4

Spearman
Mann Whitney
Chi-squared
Wilcoxon Signed Rank
Fisher Exact Probability
Kruskal Wallis
Friedman

Question 5

Examples of correlation tests (2)

Answer 5

Pearson and Spearman