I If There Is Absolutely No Relationship Between Two Variables

question 129

Multiple Choice

i. If there is absolutely no relationship between two variables, what will Pearson's r equal? ii. If the coefficient of correlation is 0.80, what is the coefficient of determination?
iii. If the coefficient of determination is 0.81, what is the coefficient of correlation?

• A) zero (0); 0.64; 0.9 or -0.9.
• B) zero (0); 0.64; 0.09.
• C) one (1); 0.64; 0.6561.
• D) one (1); 0.64; 0.9 or -0.9.
• E) zero (0); 0.8944; 0.6561.

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Definitions:

Evolutionary Psychology

An approach utilized in both social and natural sciences that explores the structure of psychology through the lens of contemporary evolutionary theory.

Gender Behavior

The range of behaviors and attitudes considered acceptable, appropriate, or desirable for a person based on their actual or perceived sex or gender.

Decision-Making Abilities

The capability to select between two or more alternatives to achieve the best outcome in a given situation.

Gender

Social and cultural distinctions associated with being male or female, as opposed to biological differences.