In the accompanying figure, the text labeled 3 is ____.
Definitions:
Region of Rejection
The area in the tail(s) of a statistical distribution where, if a test statistic falls, the null hypothesis is rejected in favor of the alternative hypothesis.
T-statistic
A statistic used in hypothesis testing, specifically to determine the significance of the difference between two sample means.
Hypothesized Population Mean
The expected value of the mean for a population, as proposed in a hypothesis, that is tested for accuracy against sample data.
T-statistic
A ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error, used in hypothesis testing.
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