Examlex
Which statement is TRUE about public- and private-employee unions?
Degrees of Freedom
A parameter used in statistical tests that describes the number of independent ways by which a statistical estimate can vary.
F Statistic
A ratio used in statistical analysis to determine the significance of groups of variables in a regression or ANOVA framework.
Null Hypothesis
The default position that there is no relationship between two measured phenomena or no association among groups.
Alternative Hypothesis
In hypothesis testing, the hypothesis that contradicts the null hypothesis, usually suggesting that a new theory or intervention has an effect.
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