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#1
January 19th 09, 12:27 AM posted to microsoft.public.excel.misc
 external usenet poster First recorded activity by ExcelBanter: Jan 2009 Posts: 1
compute a 75% chebyshev interval around the mean

how do you compute the above with a set of data

#2
January 19th 09, 05:09 PM posted to microsoft.public.excel.misc
 external usenet poster First recorded activity by ExcelBanter: Jul 2006 Posts: 1,180
compute a 75% chebyshev interval around the mean

% of values within mean +- k = 1-1/k^2
k=standard deviation
75% = 1-1/4 (k=2)

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