6. You design an experiment in which you investigate it different types of fertilize atteet tomato plant height. You prepare 4 plots of soil, all containing tomato plants. To the first
plot, you add a potassium fertilizer. To the second pict, you add a nitrogen fertilitet To
the third plot, you add a phosphate fertizer. You do not add any fertilizer to the fourth
plot You eventually gather data by measuring the height of each tomato plant,
B. What is the independent variable?
C. What is the dependent variable?
D. What type of data are you gathering qualitative or quantitative!