Examlex
During the last eighteen months of Woodrow Wilson's presidency
Population Variances
Measures of the dispersion or spread of a set of data points in a population.
Sample Variances
A measure of the dispersion or spread of sample data points around their mean, indicating how spread out the sample values are.
Chi-Squared Distribution
A probability distribution that arises in statistics when a normal distribution is squared, commonly used in significance testing.
Degrees of Freedom
The count of distinct values or measures that can be allocated to a statistical distribution while adhering to all restrictions.
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