Which of the Following Statements Is True of the Correlation

question 50

Multiple Choice

Which of the following statements is True of the correlation analysis?

• A) The null hypothesis for the Pearson correlation coefficient states that there is always a strong association between two variables.
• B) The Pearson correlation coefficient measures the degree of linear association that ranges from 1.0 to 10.0.
• C) The larger the correlation coefficient, the weaker the association between two variables.
• D) The null hypothesis for the Pearson correlation coefficient states that the correlation coefficient is zero.
• E) The Pearson correlation coefficient measures the degree of linear association between three variables.

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Definitions:

Pupillary Light Reflex

A reflex that controls the diameter of the pupil in response to the intensity of light to protect the retina by constricting or dilating the pupil.

Penlight

A small, portable flashlight, often used in medical examinations to observe pupils' reaction to light or to inspect areas of the mouth and throat.

Pupillary Constriction

The narrowing or tightening of the pupils, which can occur in response to light exposure or during focusing on objects.

Arcus Senilis

A gray or white arc visible above and below the outer part of the cornea, usually related to aging.