What Is Indicated by a Pearson Correlation of R =

question 55

Multiple Choice

What is indicated by a Pearson correlation of r = +1.00 between X and Y?

• A)Each time X increases, there is a perfectly predictable increase in Y
• B)Every change in X causes a change in Y
• C)Every increase in X causes an increase in Y
• D)All of the other 3 choices occur with a correlation of +1.00.

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Definitions:

Universal Gas Constant

A physical constant that appears in many fundamental equations in the physical sciences, such as the ideal gas law.

Gas Constant

A physical constant that appears in the ideal gas law, relating the energy scale to the temperature scale.

Combined Gas Law

A gas law that combines Charles's law, Boyle's law, and Gay-Lussac's law to describe the relationship between the pressure, volume, and temperature of a fixed amount of gas.

Temperature

A physical quantity that expresses hot and cold, representing the average kinetic energy of particles in a matter.