While studying the relationship between advertising and sales growth, a researcher determines that the relationship is sometimes weak and at other times moderate. This variation from one situation to another is the variation in the _____ of the relationship between advertising and sales growth.A. strength of associationB. presenceC. typeD. directionE. dispersion
Answer: A
A. strength of association.
The strength of association refers to the degree to which two variables are related. In this case, the researcher found that the relationship between advertising and sales growth varies from weak to moderate, which suggests that the strength of association between these variables is not consistent across all situations.
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