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Large-sample Z Tests
Statistical tests used to determine if there are differences between the means of two samples when the sample size is large.
Chi-square Statistic
A statistic that measures the difference between observed counts and counts expected under a specific hypothesis, used in tests of independence and goodness-of-fit.
Binomial Proportions
The probabilities of outcomes for a binomial distribution, which describes the number of successes in a fixed number of binary experiments.
Two-tail Test
A statistical hypothesis test in which the area of interest, or rejection region, is in both tails of the probability distribution, used to determine if there is a significant difference in either direction.
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