Introduction to Research Design and Statistics

Hypothesis Testing Overview

Single Sample
(1 Group)		Two Samples
(2 Groups)		 3+ Samples
(k-Groups)
Meanst-test
z-test		 t-test
z-test		F-ratio
One-way ANOVA
Varianceschi-squareF-ratioF-max (F-ratio)
Frequencies
Counts		chi-square chi-square
(contigency table,
crosstabulation)		 
Nonparametric
Tests		Sign Rank Test
Sign Test
Runs Test		 Rank Sum Test
Kolmogorov-Smirnov
Runs Test		 Kruskal-Wallace
Median Test

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Phil Ender, 15Jan98