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15 Cards in this Set
- Front
- Back
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Mo
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Mode
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Md
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Median
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X-bar (X with a line above it)
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Sample mean
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Σ
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Big sigma directs you to add up all of the values that follow
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X-(X-bar)
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Deviation of a score from the mean
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μ
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Population mean, read "mu"
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AD
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Average deviation
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R
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Range
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s2
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Population variance
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s2
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Sample variance
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s
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Population standard deviation
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s
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Sample standard deviation
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s approx
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An approximation of s; sapprox = R/4
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S
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Sum of squares or the numerator of variance
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z
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Standard score or z score
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