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Notes Unit 8: Mean, Median, Standard Deviation
www.conejousd.orgI. Mean and Median The MEAN is the numerical average of the data set. Notes Unit 8: Mean, Median, Standard Deviation The mean is found by adding all the values in the set, then dividing the sum by the number of values.
4.2 Shapes of Distributions - University of Iowa
homepage.stat.uiowa.eduFigure 4.7 (a) Skewed to the left (left-skewed): The mean and median are less than the mode. (b) Skewed to the right (right-skewed): The mean and median are greater than the mode. (c) Symmetric distribution: The mean, median, and mode are the same. 7 Right-skewed 5.0 5.5 6.0 6.5 7.0 80 70 60 50 40 30 20 10 0 pH F r e q u e n c y pH of Pork Loins. 8