Examlex
The residual ri is defined as the difference between the actual value yi and the estimated value .
Chi-square Test
A nonparametric statistical test used to determine if there is a significant association between two categorical variables.
Mutually Exclusive
A statistical term describing two events that cannot occur at the same time, implying no overlap between the events.
Null Hypothesis
A statement of equality between sets of variables. See Research Hypothesis.
Percentage
A portion of 100 that expresses a part of a whole, commonly used in comparing quantities.
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