Real math help.
How Do You Find the Standard Deviation of a Data Set?
Note:
Organization is a key part of finding the standard deviation of a data set. This tutorial takes you through the entire process one step at a time!
Background Tutorials
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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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What is the Mean of a Data Set?
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!
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Powers and Exponents
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How Do You Square a Number?
Want to square a number? Just take the number and multiply it by itself! If you square an integer, you get a perfect square! Check out squaring in this tutorial!
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Further Exploration
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Conditional Probability and Contingency Tables
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How Do You Find Conditional Probability?
Conditional probability is used to find a probability in all sorts of everyday situations! This tutorial shows you one example of how to find the conditional probability in a real world problem.
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