The Pearson Correlation Between X₁ and Y Is R =

question 8

Multiple Choice

The Pearson correlation between X₁ and Y is r = 0.50 and the correlation between X₂ and Y is r = 0.20.How much variance for the Y scores is predicted by using both X₁ and X₂ as predictor variables in a multiple regression equation?

• A)0.25 or 25%
• B)0.29 or 29%
• C)0.70 or 70%
• D)Cannot be determined from the information given.

---

Definitions:

Mammalian Primate Biology

The study of the biological aspects, characteristics, and behaviors of primates, which are a group of mammals that includes humans, monkeys, and apes.

Behavioral Patterns

Repeated actions or responses by individuals or groups, which are often indicative of underlying social norms, beliefs, or psychological states.

Endangered

Refers to species that are at risk of extinction due to a drastic decline in population and habitat loss.