Examlex
Which of the following statements is incorrect?
T-test
A statistical test used to compare the means of two groups or test a single mean against a known value.
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it defines the cutoff between significance and non-significance.
Null Hypothesis
A hypothesis that suggests there is no significant difference between specified populations, or no association among groups.
Null Hypothesis
A statistical hypothesis that assumes no effect or no difference in an experiment or study, serving as the default assumption to be tested.
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