The Accompanying Data Set Contains Quiz Scores for 12 Students

Short Answer

The accompanying data set contains quiz scores for 12 students in a chemistry class: 18, 15, 5, 8, 15, 20, 2, 16, 10, 12, 20, 15.
a. Find a measure of central tendency that separates the data into two groups such that each groupconsists of 50% of the scores above and 50% of the scores below that measure.
b. Find a measure of central tendency that represents the quiz score that occurs most often.
c. Find a measure of central tendency that represents the average of the 12 quiz scores.