Examlex
Despite continued growth in average income since the early 1970s, the poverty rate has not declined below the level reached in 1973.
Significance
Refers to the measure of how likely it is that an observed difference between groups is due to chance.
Critical Value
A threshold in hypothesis testing that defines the boundary beyond which the null hypothesis is rejected, based on the chosen significance level.
Regression Model
A statistical approach for estimating the relationships among variables.
Independent Variables
Variables in an experiment or model that are manipulated to observe their effect on dependent variables.
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