If the Standard Deviations of X and Y Are 15

question 46

True/False

If the standard deviations of X and Y are 15.5 and 10.8,respectively,and the covariance of X and Y is 128.8,then the correlation coefficient is approximately 0.77.

---

Definitions:

Bystander Effect

A social psychological phenomenon wherein individuals are less likely to offer help to a victim when other people are present.

Selective Perception

Selective perception is the process by which individuals perceive what they want to in media messages while ignoring opposing viewpoints, based on their background, beliefs, and attitudes.

Response Characteristic

Features or aspects of an individual's reactions or responses to stimuli or situations, often studied in psychological assessments.

Distinctiveness

The quality of being distinguishable or markedly different from others, often leading to a sense of individuality.