The question of "How strongly are sales related to advertising expenditures when the effect of price is controlled?" is best answered via ________.
A) partial correlation coefficient
B) ANOVA
C) product moment correlation
D) bivariate regression analysis

Question

Quizplus · Accepted Answer

The partial correlation coefficient measures the strength and direction of a relationship between two variables while controlling for the effect of one or more other variables, making it suitable for assessing the relationship between sales and advertising expenditures while controlling for price.

The Question of "How Strongly Are Sales Related to Advertising