Social Statistics - Module 9 - Anova Study Guide Questions And Correct Answers

ANOVA allows us to determine whether the variance between samples is larger than the variance within samples. If the variance is larger between samples, what can we say about the group differences we are interested in analyzing? {Ans: The dependent variables varies significantly across groups}In order to determine whether the differences between group means are statistically significant, ANOVA examines the differences {Ans: between and within groups}What does the between-group sum of squares measure? {Ans: The sum of the squared deviations between each group mean and the mean across all groups}The between-group sum of squares and the within-group sum of squares compose the {Ans: total sum of squares.}What is the research hypothesis when using ANOVA procedures? {Ans: At least one of the group means is significantly different from the others}The F-test statistic that is calculated is called {Ans: F obtained}