Will is a teacher in the local high school. He has given his class the same test at the beginning of the school year, at the middle point of the school year, and at the end of the school year. He has taken all of the grades and found that 50% of his students increased their scores from test one to test two. 75% of his students improved their scores from the beginning of the school year to the end of the school year. What should the curve look like when the scores are placed on a graph? Bimodal Negatively skewed Normal Positively skewed