According to the Chebyshev rule, at least 93.75% of all observations in any data set are contained within a distance of how many standard deviations around the mean?
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The Chebyshev rule states that for any data set, at least 1 - (1/k^2) of the observations will fall within k standard deviations of the mean, where k is any positive number greater than 1. Show more…
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