Question: EXAM SCORES In an examination given to a class of 20 students, the following test scores were obtained:
40 45 50 50 55 60 60 75 75 80
80 85 85 85 85 90 90 95 95 100
a. Find the mean (or average) score, the mode, and the median score.
b. Which of these three measures of central tendency do you think is the least representative of the set of scores?