2025 CFA Level I Exam: CFA Discussion Topic: Chebyshev's Inequality

Author	Topic: Chebyshev's Inequality
DineshD @2018-11-20 08:00:19	Firstly I am trying to understand the actual use of this formula. Could someone explain what we are trying to find out through this formula and its actual use in practise? What does the statement "A minimum of 75% of observations lie within 2 Std. dev of the mean." actually indicates? Does 2 Std. dev indicates the calculated standard dev. of the sample?

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I passed! I did not get a chance to tell you before the exam - but your site was excellent. I will definitely take it next year for Level II.