Maddie wanted to know how many candy bars her teammates had sold. She surveyed them using the question How many candy bars
have you sold? The responses were 72, 75, 71, 68, 55, 58, 68, 72, 70, 60, 72, 62, and 64 candy bars. How many more teammates sold 70-74 candy bars than the number of teammates that sold 55-59 candy bars?