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Unformatted text preview: data will lie within K standard deviations from the mean: Chebyshevs Theorem: The proportion of any set of data lying within K standard deviations of the mean is always at least 2 1 1 K-, where K > 1. Note: UL K -= Empirical Rule Approximately 68% of the data lies within 1 standard deviation of the mean. Approximately 95% of the data lies within 2 standard deviations of the mean. Approximately 99.7% of the data lies within 3 standard deviations of the mean. Z-scores: x Z-=...
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This note was uploaded on 01/11/2012 for the course STA 2122 taught by Professor Staff during the Winter '08 term at FIU.
- Winter '08