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Hypothesis Test
A procedure in statistics to determine if there is enough evidence to reject a null hypothesis in favor of an alternative hypothesis.
Chi-square Distribution
A statistical distribution used particularly in hypothesis testing, derived from the sum of the squares of a set of variables that follow a normal distribution.
Critical Value
A point on the scale of the test statistic beyond which the null hypothesis is rejected.
Sampling Distribution
A probability distribution of a statistic obtained through a large number of samples drawn from a specific population.
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