Anova Test Assumptions Spss. Your two independent variables should each consist of two or more categorical independent groups. Report the results of the Levenes test and interpret it.
Lets deal with the important bits in turn. SPSS produces a lot of data for the one-way ANOVA test. Paste SPSS output for the Shapiro-Wilk test of quiz3 and interpret it.
As regards the normality of group data the one-way ANOVA can tolerate data that is non-normal skewed or kurtotic distributions with only a small effect on the Type I error rate.
The outcome variable must follow a normal distribution in each subpopulation. As regards the normality of group data the one-way ANOVA can tolerate data that is non-normal skewed or kurtotic distributions with only a small effect on the Type I error rate. SPSS produces a lot of data for the one-way ANOVA test. You need to make an initial judgement of what your data looks like and whether you might expect a statistically.
