Examlex
From a group of 12 students, we want to select a random sample of 4 students to serve on a university committee. How many combination of random samples of 4 students can be selected?
Researcher
A person who conducts academic or scientific studies to gain new knowledge and understanding in a specific field.
Interaction Variables
Variables that modify the relationship between other variables in the context of statistical analysis, showing how the effect of one variable depends on the level of another variable.
Dependent Variable
A variable in research that is expected to change as a result of manipulations in the independent variable.
Independent Variable
A variable that is manipulated in an experiment to determine its effect on the dependent variable.
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