Whenever One Variable Increases,another Variable Decreases

question 41

Multiple Choice

Whenever one variable increases,another variable decreases.The two variables are

• A) definitely related through a third variable.
• B) negatively related.
• C) positively related.
• D) unrelated to each other.
• E) related but whether positively or negatively related depends on which variable is plotted on the vertical axis.

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Definitions:

Restricting Type

A subtype of anorexia nervosa in which the afflicted person relies on a rigidly controlled, very low intake of food to maintain her low weight. About half of anorexia nervosa patients are of the restricting type.

Anorexia Nervosa

A psychological and potentially life-threatening eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of weight or shape.

Prevalence

The proportion of a population found to be affected by a particular disease or condition at a specific time.

Mortality Rates

A measure of the number of deaths in a particular population, scaled to the size of that population, typically expressed as deaths per thousand or million.