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


Mr. Dexter’s teams earned the following scores on a quiz: , and .     

  1. 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.

  2. 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 Representations eTool below, enter your data into the table and choose "Single-Variable Statistics".

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