A single number that expresses the strength, and often the direction, of a relationship is called_________________.

Question

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A measure of association is the single number that expresses the strength and often the direction of a relationship between two variables. The other options, bivariate percentage table, cross-tabulation, and compound frequency distribution, are all statistical tools used to analyze relationships between two or more variables, but they do not provide a single number that summarizes the strength of the relationship.

A Single Number That Expresses the Strength, and Often the Direction