ECON 10: Skewness & Kurtosis
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15 Terms
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Skewness
a measure of how far the mean has been pulled from the median and mode. Impacts the length
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Symmetric
Xmean = Xmedian = Xmode
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True or False
When Skew = 0, the histogram is symmetric
True
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Skew = 0
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Skew > 0
Xmode < Xmedian < Xmean
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Graph skew > 0
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Skew < 0
Xmean < Xmedian < XMode
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Kurtosis
the length and height of the line if the distribution
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K < 3
Platykurtic
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Platykurtic Graph
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K = 3
Mesokurtic
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Mesokurtic Graph
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K > 3
Leptokurtic
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Leptokurtic Graph
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0i
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