13 of33 Mean Training
  The next way I can analyze the data is by figuring out the mean. Another word for mean that you might have heard before is average.
Sum / Number = Mean
If you pay attention to sports or have ever figured out your grade in class, you probably know how to find the mean of a set of data. First, you add up all the numbers you have: this is the sum of your values. Then, you divide them by the number of values in your data.
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