Examlex
Which of the following is an advantage of using presentation aids in a speech?
Covariance
A measure of how two variables move together, indicating the direction of their relationship.
Correlation Coefficient
A numerical indicator that determines the intensity of the association between the relative changes of two variables.
Standard Deviations
A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the set.
Expected Returns
The predicted average return of an investment portfolio over a specified period.
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