### Home > AC > Chapter 2 > Lesson 2.1.8 > Problem2-81

2-81.

Mr. Dexter’s teams earned the following scores on a quiz: $15,20,19,20,16,20,14,18,\text{and}\ 17$.

1. What is the mean (average score)?

Remember the average is the sum of the scores divided by the number of scores.

$\approx17.67$

2. What is the median (middle score)?

Remember you must order the scores from least to greatest to find the median.

3. What is the mode (the score that occurs most often)?