Examlex
Which of the following statements is correct?
Correlation Coefficient
A statistical measure that quantifies the degree to which two variables vary together.
Sample Coefficient
A numerical measure that describes some characteristic or aspect of a sample of data.
Sample Covariance
A measure of the degree to which two variables change together for a sample of a population, indicating their linear relationship.
Cov (x,y)
Represents the covariance between two variables \(x\) and \(y\), measuring how changes in one variable are associated with changes in another.
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