Real math help.
How Do You Use a Sample to Make Predictions About a Population?
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Background Tutorials
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Populations and Sampling Methods
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What is an Unbiased Sample?
When you're trying to learn about a population, it can be helpful to look at an unbiased sample. An unbiased sample can be an accurate representation of the entire population and can help you draw conclusions about the population. This tutorial introduces you to unbiased sampling!
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Percents
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How Do You Figure Out a Percent From a Part to Whole Ratio?
If you want to find a percent in a word problem, you may be able to use a ratio to help you! This tutorial shows you how to do exactly that!
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Further Exploration
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Populations and Sampling Methods
