A Visual Model for the Variance and Standard Deviation |
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Authors: | J B Orris |
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Institution: | Butler University, Indianapolis, Indiana, USA. e‐mail: orris@butler.edu |
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Abstract: | This paper shows how the variance and standard deviation can be represented graphically by looking at each squared deviation as a graphical object – in particular, as a square. A series of displays show how the standard deviation is the size of the average square. |
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