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

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, such as price in this case.

The Question of "How Strongly Are Sales Related to Advertising