Which Pair of Variables Should Produce a Negative Relationship

question 14

Multiple Choice

Which pair of variables should produce a negative relationship?

• A) Square footage of a house and price of a house
• B) Number of years of schooling and annual income
• C) Age of child and verbal skill level
• D) Speed of running and time to complete a race

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Definitions:

Pulse

The rhythmic throbbing of the arteries as blood is propelled through them, typically felt in the wrists or neck.

Heart Beats

The rhythmic contraction and relaxation of the heart muscles that circulate blood throughout the body.

Tympanic Thermometer

A type of electronic thermometer that measures infrared energy emitted from the tympanic membrane.

Disposable Sheath

A protective cover designed to be used once and then discarded, often used to prevent contamination or infection.