One application of decimals that arises often is finding the *average* of a set of numbers. What do you think of when you hear the word *average*? Is it your grade point average, the average rent for an apartment in your city, the scoring average of a player on your favorite football team? The average is a typical value in a set of numerical data. Calculating an average sometimes involves working with decimal numbers. In this topic, we will look at three different ways to calculate an average.

# Introducing Averages and Probability

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This is a lesson from the tutorial, Introducing Decimals and you are encouraged to log in or register, so that you can track your progress.