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Unformatted text preview: Symmetric and Skewed Left/right skewed Other shape issues Bi modal ( two humps) suggests two diverse groups combined into sample Outlier a point or points separated from the bulk of the data. Calls for investigation. Can suggest existence of another group ( like bimodal) or might be a mistake Put a number on it For symmetric distrubtions the sample mean and sample standard deviation measure center and spread....
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This note was uploaded on 09/16/2011 for the course STATS 10 taught by Professor Ioudina during the Spring '08 term at UCLA.
- Spring '08