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Last updated 11:59 PM on 8/30/26
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14 Terms

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μ

population mean

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x̄

sample mean

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N

population number of subjects

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n

sample number of subjects

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σ

population standard deviation

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σ²

population variance

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s²

sample variance

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s

sample standard deviation

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Descriptive statistics

Used to organize and describe data

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Inferential statistics

Used to to make predictions based on the data

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Parameter

A measure of an entire population

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Statistic

A measure of a sample of a population

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Population

An entire group of people, things, or events that have a common trait

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Sample

A subset of a population