Examlex
Which of the following is not a cost driver of customer services costs?
Independent Variables
Variables in a statistical model that are presumed to influence or predict the outcome of a dependent variable.
Variances
Statistical measures reflecting the dispersion or spread of a set of data points or how far each value in the set is from the mean.
Covariance
A measure that indicates the extent to which two variables change together; if they increase or decrease similarly.
Coefficient Of Correlation
An index that measures the magnitude and direction of a straight-line association between two variables.
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