Principle Sanders wants to know if wearing school uniforms will help students improve their math test scores. She decides to conduct an experiment to find out. She chooses tow groups of sudents to test. One group will wear uniforms, the other will not.

What is the control variable? Why?

What is the response variable? Why?

What is the treatment for the experiment?

Then identify 3 extraneous factors for this experiment?

and state how the principal could use direct control, blocking, and randomization to deal with the extraneous factors in the experiment.