If the Correlation Between Variables a and B Is Zero

question 163

Multiple Choice

If the correlation between variables A and B is zero, then

• A) the relationship between the two variables is random.
• B) increases in A are associated with decreases in B.
• C) predictions of B, based on measurements of A, will be correct less often than chance.
• D) B causes A.

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Definitions:

UCC Section

a specific provision or part of the Uniform Commercial Code, which is a set of laws that provide legal rules and regulations governing commercial or business dealings and transactions in the United States.

Express Warranty

A seller's promise or guarantee that a product will meet a certain level of quality and reliability, explicitly stated in a contract or by implication through advertising.

Res Ipsa Loquitur

A legal doctrine that allows for the presumption of negligence in a case where the accident occurring is the type which normally does not happen in the absence of negligence.

Product Liability

The legal liability a manufacturer or seller incurs for producing or selling a faulty product resulting in injury or harm to a consumer.