Interpreting the summary table
Based on the summary table of the factorial ANOVA, what can you say about the statistical significance of the variables?
ab_model
is loaded in your workspace, so you can have another look at the summary table via summary(ab_model)
.
This exercise is part of the course
Intro to Statistics with R: Analysis of Variance (ANOVA)
Exercise instructions
The main effect for driving difficulty is significant.,The main effect for conversation difficulty is significant.,Only the interaction effect is significant.,There are no main effects, nor an interaction effect.,The main effect for driving difficulty, the main effect for conversation difficulty and the interaction effect are all significant.,This information is not provided in the summary table.
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