If Two Variables, X and Y, Have a Strong Linear

question 63

Multiple Choice

If two variables, x and y, have a strong linear relationship, then

• A) the correlation coefficient is a positive number.
• B) the correlation coefficient is 0.
• C) the correlation coefficient is a negative number.
• D) the F test is used to conclude there is a causal relationship between x and y.

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Definitions:

Nitrogen

A colorless, odorless, tasteless, and mostly inert diatomic gas that constitutes about 78% of the Earth's atmosphere, used in various industrial and scientific applications.

Gauge Pressure

The measurement of pressure relative to ambient atmospheric pressure, used in various applications from tires to hydraulic systems.

Truck A/C System

The air conditioning system in a truck, designed to cool the cabin area for the comfort of the occupants.

Disposable Refrigerant Can

A single-use container used for holding refrigerant, typically for automotive air conditioning systems.