Examlex
How do the incomes of single fathers compare with those of single mothers?
Contingency Table
A type of table used in statistics to summarize the relationship between two categorical variables, showing the frequency of various combinations of outcomes.
Nominal Variables
Variables that represent categories with no intrinsic ordering or hierarchy, such as gender, nationality, or brand.
Null Hypothesis
In statistics, a statement suggesting that there is no significant effect or difference, and any observed deviation is due to random chance.
Chi-Squared Test
A statistical test used to determine if a significant relationship exists between two categorical variables by comparing observed and expected frequencies.
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