Will scored 75 points on a math exam. The class had a mean score of 60 points with a
standard deviation of 5.
a) How many standard deviations above the mean was Will's score?
b) If Will's exam score were removed from the set of scores for this exam, would the
standard deviation of the resulting set be higher or lower than 5?
O Higher
O Lower
O There is not enough information to answer this question