The question is incomplete,the below sentence completes the question.
List the IV,DV, Control Group, Constants, Hypothesis.
ANSWER;
Iv; The type of floor cleaner.
Dv; # of scratches.
Control; The floor with no wax.
Constants; The number of test sections and their sizes that is the sizes of test sections.
Hypothesis; That is if the tough stuff wax is used then the number of scratches will then decrease/reduce.