Examlex
Chi-square tests of independence are always lower-tailed because a perfect fit between and
makes the test statistic
equal to zero.
Dependent Variable
A variable in an experiment or study that is dependent on other variables, typically the outcome or effect being measured.
Indicator Variable
A binary variable that takes the value of 1 if a certain condition is true and 0 if it is false, used in statistical analysis.
Interval Variable
An interval variable is a type of numerical data that is measured along a scale, where the distance between each point is uniform and meaningful, but does not have a true zero point.
Stepwise Regression
A method of regression analysis in which variables are added or removed from the model in a step-by-step manner based on specific criteria.
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