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An Example of an Ongoing Children's Advocacy Group Is

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An example of an ongoing children's advocacy group is

Definitions:

Variance

An index of variability in a set of data, established by taking the average squared deviation from the mean.

Tchebysheff's Theorem

A theorem that states for any real numbers k > 1, at least (1-1/k^2) of the data values fall within k standard deviations of the mean for any distribution.

Empirical Rule

A statistical rule stating that for a normally distributed dataset, about 68% of values fall within one standard deviation, 95% within two, and 99.7% within three standard deviations from the mean.

Tchebysheff's Theorem

A mathematical formula that determines the minimum proportion of values that lie within a specified number of standard deviations from the mean, for any distribution.