Test your knowledge.Receive immediate feedback.You find all answers in the book. Quiz | Analysis of Variance (ANOVA) /5 63 Quiz | Analysis of Variance 1 / 5 What is the difference between a 2-way ANOVA and an ANCOVA? A 2-way ANOVA considers two categorical independent variables, while in an ANCOVA you also consider metric variables. There is no difference. A 2-way ANOVA considers two metric independent variables, while in an ANCOVA you also consider categorical variables. 2 / 5 Which of the following research questions can be appropriately addressed with the help of an ANOVA? How important are brand, price, and availability for the choice of a car? Does the color of an ad have an influence on the number of people who remember the ad? How do sales change when the advertising budget is reduced by 10%? 3 / 5 What is the null hypothesis of the Levene's test? The error variance of the independent variable is equal across groups. The error variance of the dependent variable is equal across groups. The error variance of the dependent variable is unequal across groups. The error variance of the independent variable is unequal across groups. 4 / 5 What happens to the Sum of Squares within if you consider 2 instead of 3 (relevant) independent variables in an ANOVA? The SS within will decrease. The SS within will not change. The SS within will increase. 5 / 5 Which of the following would NOT cause F to increase? An increase in the within groups variability An increase in the difference between the means An increase in the magnitude of the independent variable's effect A decrease in the within groups variability Your score is 0% Restart quiz Learn more…MethodsServiceAbout us ContactFeedbackOrder data etc. GeneralImprintPrivacy notice
