Examlex
Using a ________,a company launches a product in a few regional markets and then expands based on how successful the product is.
T-test
A statistical test used to compare the means of two groups and determine if they are statistically significantly different.
Correlation Coefficient
A statistical measure that describes the extent to which two variables change together, and the strength of their relationship.
Independent Variable
The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.
Dependent Variable
The variable in an experiment that is expected to change in response to manipulations of the independent variable.
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