If Two Variables Are Not Related in Any Way, the Coefficient

question 22

Multiple Choice

If two variables are not related in any way, the coefficient of correlation must be:

• A) -1
• B) 1
• C) 0
• D) .5

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Definitions:

Compound

A substance formed by the chemical combination of two or more elements in fixed proportions.

Chemical Bonds

The attractive forces that hold atoms together in molecules or crystals, forming as a result of sharing or transferring electrons between atoms.

Molecule

The smallest particle of a chemical substance that can exist independently while retaining the chemical properties of the substance.

Atoms

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and surrounded by electrons.