Chapter 13,14,15 Flashcards
(13 cards)
mean square
variance estimate
mean square within groups
within groups variance estimate
mean square between groups
difference between the means of the sample group
F ratio
the ratio of the mean square between to the mean square within
factorial experiment
experiment with two or more independent variables
main effect
effect of one independent variable on the dependent variable
interaction
effect of the combination of the two independent variables on the dependent variable
Chi-square
a statistical technique that enables you to compare the observed frequencies in different categories
parametric statistics
those that are stated in terms of and make assumptions about population parameters
nonparametric statistics
do not compare population parameters
Mann-Whitney U
two independent samples
Wilcoxon T
two correlated samples
Kruskal- Wallis test
2 independent variables with more than 2 groups