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When a dividend has been declared but not yet paid
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it is a threshold used to determine the critical region for statistical significance testing.
Test Statistic
A figure determined from data samples, which is used during a hypothesis test to evaluate whether to refuse the null hypothesis.
Type I Error
An erroneous denial of a valid null hypothesis, commonly called a "false positive."
Null Hypothesis
A hypothesis used in statistics that suggests there is no significant difference or effect, typically to be tested against an alternative hypothesis.
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