1. Your teacher offers you the opportunity to increase your grade in her class by taking a cumulative final. In studying for the final, you want to spend the most time studying the material you understood the least. On the first exam, the class mean was = 75 with = 10 and you had a score of x = 55. On the second exam, the mean was = 40 with = 5 and you had a score of x = 35. Which material should you spend more time studying? In other words, on which exam did you perform worse relative to the rest of the class?

• (a) The material for the first exam
• (b) The material for the second exam
• (c) There is not enough information to determine the answer