Test matrices A graphical display of your experimental independent variables to help Covey the scope of your experiment to your audience Plan and execute your experiment e Each cell represents a data point for your experiment for which you will collect values for the dependent variables Propeller RPM TVS O RPM 1000 RPM 2000 RPM 3000 RPM 4000 RPM eeds 0 mph mp KDVs 10 mph 15 mph Courtesy of Cyndi vongvanith and Lester McCoy 44 Test Matrices z A graphical display of your experimental independent variables to help: – Covey the scope of your experiment to your audience – Plan and execute your experiment z Each cell represents a “data point” for your experiment for which you will collect values for the dependent variables. 4000 RPM 0 mph 5 mph 10 mph 15 mph 0 RPM 1000 RPM 2000 RPM 3000 RPM Propeller RPM Speed . Courtesy of Cyndi Vongvanith and Lester McCoy IVs DVs