Cognitive: Inferential Statistics

Decision making and interpretation of inferential statistics

Non-parametric test of difference: Mann-Whitney U and Wilcoxon

Probability and levels of significance (p≤.10 p≤.05 p≤.01)

Observed and critical values, use of critical value tables and sense checking of data

One- or two-tailed regarding inferential testing

Type I and type II errors

Normal and skewed distribution