An Investigator Finds That It Is Possible to Use Measurements

question 82

Multiple Choice

An investigator finds that it is possible to use measurements of people's speed of response as a moderately accurate predictor of their grades in school. From this information we can conclude that the correlation between speed of response and grades is

• A) either positive or negative but not zero.
• B) zero.
• C) negative.
• D) positive.

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Definitions:

Integument

The outer protective layer or covering of an organism, which in animals is usually the skin, and in plants, the epidermis or outer layer.

Planaria

A genus of flatworms known for their remarkable ability to regenerate, commonly studied in research on regeneration and stem cells.

Muscular Pharynx

The muscular pharynx is a part of the digestive and respiratory systems, playing a crucial role in swallowing and the passage of air and food.

Epidermal Surface

The epidermal surface is the outermost layer of the skin or the outer surface layer of plants, protecting against environmental damage and water loss.