Lauren, a brunette, was tired of hearing, Blondes have more fun. She set out to prove that

Question:

Lauren, a brunette, was tired of hearing, €œBlondes have more fun.€ She set out to €œprove€ that €œbrunettes are more intelligent.€ Lauren randomly (as best she could) selected 40 blondes and 40 brunettes at her high school. The following overall grade statistics were calculated:

Upon seeing the sample results, does Lauren have support for her claim that €œbrunettes are more intelligent than blondes€? Explain. What could Lauren say about blondes€™ and brunettes€™ intelligence?