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Finding the Mean

In this example, we explore how to find the mean, or average, of a set of numbers using David's report card scores: 76, 80, 79, and 100. To calculate the mean, we will organize the data by summing all the scores, resulting in 325, and then dividing by the number of scores, which is 4. Thus, the mean score is 81. For more engaging ways to learn math, visit [Funbrain](http://www.funbrain.com), where you'll find enjoyable math games that enhance your skills!

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Finding the Mean

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  1. Finding the Mean David R. David N .

  2. Mean • The average of the numbers in a set of data is the mean.

  3. The Report Card • David is trying to find the mean for his report card. His scores were: (76), (80), (79) and (100). Find the mean.

  4. Organized List Strategy • Make an organized list by adding all the numbers and divide by how many numbers are in your organized list.

  5. The Solution is 81 • Step 1. We added the numbers together and got 325. • Step 2. We divided By 4 because there are 4 numbers in the list.

  6. Favorite Web Site • http://www.funbrain.com • This site is fun and you can learn math from it. It has a lot of math games.

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