Examlex
Below is a partial multiple regression ANOVA table. Calculate the explained variation.
Null Hypothesis
A statement in statistical analysis that assumes no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.
Level Of Significance
A threshold used in hypothesis testing to determine whether to reject the null hypothesis, commonly set at 0.05, indicating a 5% risk of concluding that a difference exists when there is none.
Test Statistic
A value calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.
Acceptance Region
In hypothesis testing, this is the range of values for which the null hypothesis is not rejected.
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