Examlex
The percentage of Americans who fall below the poverty threshold is called:
Significance Level
A threshold in hypothesis testing that determines the probability of rejecting a true null hypothesis, commonly represented by α.
Degrees of Freedom
A concept in statistics that represents the number of independent values or quantities which can be assigned to a statistical distribution.
Categories
Distinct groups or classes into which data or items can be classified.
Chi-square Test
A statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
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