If Cov(x,y) = ?350 $s _ { x } ^ { 2 }$

question 87

Multiple Choice

If cov(x,y) = ?350, $s _ { x } ^ { 2 }$ = 900 and $s _ { y } ^ { 2 }$ = 225, then the coefficient of correlation is:

• A)0.8819.
• B)0.7778.
• C) ? 0.0017.
• D)0.0017.

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Definitions:

James And Lange

Theorists who proposed an emotion theory suggesting physiological arousal precedes the experience of emotion.

Cognitive Representations

Mental models or mental images that individuals form about objects, events, or people, based on their knowledge and experiences, which guide their interactions with the external world.

Physiological Responses

The body's automatic reactions to a stimulus, including changes in heart rate, breathing, and muscle tension, among others.

Emotions

Intricate mental conditions that encompass a trio of distinct elements: an individual's personal experience, a physical reaction, and an action or demonstrative response.