Examlex
While Tchebysheff's Theorem applies to any distribution, regardless of shape, the empirical rule applies only to distributions that are mound-shaped.
Analysis of Variance
A statistical procedure used to compare the means of three or more samples to determine if at least one of the sample means is significantly different from the others.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.
Test Statistic Value
A value derived from sample data during a hypothesis test, used to determine whether to reject the null hypothesis within the context of the test.
Significance Level
The threshold under which the p-value falls to reject the null hypothesis, typically set at 0.05 or 5%.
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