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 association
(b) presence
(c) type
(d) direction
(e) dispersion

The correct answer is (A) strength of association

Explanation:

Strength of association or measure of association shows how one variable depend on another or if there is no interdependency.

of what agreement it does not show

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.