Since Tchebysheff's Theorem applies to any distribution, it provides a very conservative estimate of the fraction of measurements that fall into a particular interval.

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Tchebysheff's Theorem is a general theorem that applies to any distribution, and it provides a conservative (but not necessarily exact) estimate of the fraction of measurements that fall within a certain number of standard deviations from the mean. Therefore, the statement is true.

Since Tchebysheff's Theorem Applies to Any Distribution, It Provides a Very