9-19-07 - 9-19-07 The Median have to organize numbers in...

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Unformatted text preview: 9-19-07 The Median have to organize numbers in increasing order 1,5,2,4,8}Organize {1,2,45,8 Extreme Values Average is affected by extreme values. (90, 40, 100) Odd or Even Data with Mean Odd (n) the median is n+1/2 Even (n) the median is the average of n/2 and n/2 + 1 Sample Mode n umber with highest frequency Sample Range difference between highest and smallest value Variance & Standard Deviation Sample Variance S2 Xi 1 2 3 4 X=2.5 2.5 2.5 2.5 2.5 X (Xi X) 1-2.5 2-2.5 3-2.5 4-2.5 (Xi X)^2 2.25 .25 .25 2.25 ...
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This note was uploaded on 04/18/2008 for the course ECON 205 taught by Professor Diagne during the Fall '07 term at Towson.

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