### Home > CCA > Chapter AppA > Lesson A.1.8 > Problem A-86

A-86.

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

What is the mean (average score)?

Find the average by adding all of the quiz scores together and then dividing by the number of quizzes that were scored.

What is the median (middle score)?

Start by writing the scores in numerical order from least to greatest.

Your answer is the score in the middle of that list.

To use the Data Representation Application below, enter your data into the table and chose "Mean, Median, and Mode".

Click on the link at right for the full eTool version: CCA A-86 HW eTool