Unformatted text preview:  variance (formula given in class, as well as page 123 of textbook) standard deviation (square root of variance) Measures of position – to be discussed percentiles quartiles MUST be able to compute mean and standard deviation quickly on a scientific calculator, and understand common interpretations of them. Also need to know and understand which measures tend to be used when as well as how extreme values (“outliers”) affect them. Interpretations: Empirical rule x ± 2 (sd), etc. (substitute something besides 2) Chebyshev’s rule x ± 2 (sd), etc. Summary statistics...
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This note was uploaded on 02/01/2012 for the course STAT 490 taught by Professor Boyer during the Spring '11 term at Kansas State University.
 Spring '11
 Boyer
 Statistics

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