Basic-Statistics - Statistical Terms 8/27/11 Mean Also...

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8/27/11 Statistical Terms
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8/27/11 Mean Also called: Average Mean = Sum of all Values Number of Values
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8/27/11 Median Also called: Mid-Point Mean = Half the Values are Greater and Half the Values are Lower than this Point
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8/27/11 Mode Mode = Most frequently occurring value
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8/27/11 Range Also called: A Measure of Variability Range = Highest Value – Lowest Value
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8/27/11 Standard Deviation Std. Dev. is a function of how much each value deviates from the mean Std. Dev. = Measure of Data Dispersion
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8/27/11 Standard Deviation Std. Dev.= 1 N i = 1 N (X - X) 2 i
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8/27/11 Variance Variance = (Std. Dev.) 2 Variance = Measure of Data Dispersion
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8/27/11 Skewness and Kurtosis
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8/27/11 Skewness Skewness is a measure of symmetry, or more precisely, the lack of symmetry. A distribution, or data set, is symmetric if it looks the same to the left and right of the center point.
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Click to edit Master subtitle style Skewness = i =1 N (Y - Y) i 3 (N – 1) s 3 Y is the mean s is the standard deviation
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This note was uploaded on 08/27/2011 for the course BCN 6036 taught by Professor Staff during the Summer '08 term at University of Florida.

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Basic-Statistics - Statistical Terms 8/27/11 Mean Also...

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