CFA Practice Question

CFA Practice Question

Which of the following statistical results concerns itself with the proportion of observations within k standard deviations of the arithmetic mean?
A. Chebyshev's Inequality.
B. The Sharpe measure.
C. Bayes' Rule.
Explanation: Chebyshev's inequality states that in any data sample or probability distribution, no more than 1/k^2 of the values are more than k standard deviations away from the mean.

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