If R² Is Less Than 1

question 10

Multiple Choice

If R² is less than 1,

• A)the regression analysis is incorrect.
• B)the observation data is suspect.
• C)some observations do not lie on the regression line.
• D)the probability of having the correct fit is very low.

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Definitions:

Valeric Acid

A saturated fatty acid with the chemical formula C5H10O2, present in valerian root and used in flavoring.

Structural Formula

A representation of the molecular structure of a chemical compound, showing how atoms are arranged within the molecule.

Alcohol Metabolism

The process by which the body breaks down alcohols, primarily ethanol, into acetaldehyde and then acetic acid.

Carboxylic Acids

Organic compounds characterized by the presence of at least one carboxyl group, which consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.