Examlex
If there is absolutely no relationship between two variables, Pearson's r will equal _____.
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.
Covariance
A statistical measure that indicates the extent to which two variables change together; if the greater values of one variable mainly correspond with the greater values of the other variable, and the same holds for the lesser values, the covariance is positive.
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