Stats Module 2 Formulas

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Last updated 1:25 PM on 7/2/26
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17 Terms

1
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frequency of class/n

relative frequency

2
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sample mean

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population mean

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location of the pth percentile

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Q3 - Q1

Interquartile Range

6
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sample variance

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population variance

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√s2

sample standard deviation

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√σ2

population standard deviation

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coefficient of variation

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sample z-score

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population z-score

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sample covariance

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population covariance

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correlation coefficient

16
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simplified population correlation coefficient

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simplified sample correlation coefficient