If Cov(x,y)= 20, Then the Sample Coefficient of Correlation

question 257

Multiple Choice

If cov(x,y) = 20, then the sample coefficient of correlation r is:

• A)1.400
• B)0.026
• C)0.714
• D)None of these choices.

---

Definitions:

Extraocular Muscles

The six muscles that control the movement of the eye and are located outside the eyeball.

Lateral Rectus Muscle

A muscle in the eye responsible for moving the eyeball laterally, away from the midline of the body.

Photosensitive

A condition in which the skin or eyes are excessively sensitive to light, leading to discomfort or health effects.

Low Light

Conditions in which there is not enough illumination for normal visibility or photography, requiring adjustment in camera settings or the human eye's adaptation.