Examlex
Simplify the complex number and write it in standard form.
Bell-Shaped
Describes the symmetric shape of a distribution that is highest in the middle and tapers off towards both ends, characteristic of a normal distribution.
Tchebysheff's Theorem
A statistical rule stating that for any set of data, regardless of distribution, a certain percentage of values will fall within a specific number of standard deviations from the mean.
Tchebysheff's Theorem
A statistical theorem stating that for any set of data, the proportion of results that lie within a certain number of standard deviations from the mean is at least 1-1/k^2, for k>1.
Z Score
A Z score, or standard score, is the number of standard deviations an observation is from the mean, used in statistics to compare observations from different datasets.
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