Which Statement Is an Assumption That Should Be Met Before

question 102

Multiple Choice

Which statement is an assumption that should be met before hypothesis testing with the correlation coefficient?

• A) The two variables should be significantly related to one another.
• B) At least one of the variables is ordinal or nominal.
• C) The variability in one variable should not be the same as the variability in the other variable.
• D) Each variable should vary equally, regardless of the magnitude of the other variable.

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Definitions:

Ozone

A molecule composed of three oxygen atoms, known for its protective layer in the Earth's stratosphere against harmful ultraviolet radiation.

Acid Rain

Precipitation whose acidity destroys forests and the ecosystems of lakes. It is formed by sulfur dioxide and other gases emitted by coal-burning power plants, pulp and paper mills, and motor-vehicle exhaust.

Precipitation

Any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

Genetic Pollution

The uncontrolled spread of genetic information, often as a result of human activities, leading to unwanted alterations in populations or species.