Real math help.
What is the Mean of a Data Set?
Note:
When you think of the mean of a data set, think of the word average. 'Mean' and 'average' are the same thing when you're talking about a set of data! This tutorial introduces you to mean and shows you how to find it!
Background Tutorials
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Evaluating Expressions
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What is a Variable?
You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
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Measures of Central Tendency
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What is the Median of a Data Set?
The median is one of many measures of central tendency. Check out this tutorial to learn what the median is and how you can find it!
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How Do You Find an Average?
What is the average temperature outside today? What is the average amount of time it takes you to do your homework? What is the average price for a gallon of gas? To figure out how to find the average to just about anything, check out this tutorial about averages!
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Working with Integers
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How Do You Graph a Set on a Number Line?
Number lines are great ways to represent a group of numbers, and in this tutorial you'll see how to graph a group of numbers on a number line
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Further Exploration
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Measures of Central Tendency
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How Do You Find the Mean of a Data Set?
Mean is just another name for average. To find the mean of a data set, add all the values together and divide by the number of values in the set. The result is your mean! To see an example of finding the mean, watch this tutorial!
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