A summer intern who was helping on this project remembered that there was a normal model assumption required for conducting this test. He created the following graph for assessing that normality assumption. Clearly explain in one sentence why this is n_ot the appropriate graph to examine and suggest what should be examined instead. Histogram of Marathon Completion Times by Research Assistant D e D (D O y... (D (J C In I! D" g o '1' O N D 1 50 200 250 300 350 400 Marathon completion time (in minutes)