Psychologists Wish to Evaluate the Consistency of a Standardized Behavioral

question 21

Multiple Choice

Psychologists wish to evaluate the consistency of a standardized behavioral test.The test is designed to have a variance of 225.Twenty randomly sampled tests yield a variance of 240.Assuming the underlying population is normal, what is a 90% confidence interval for the variance of this test?

• A) (151.276, 450.727)
• B) (12.300, 21.230)
• C) (190.542, 328.899)
• D) (138.803, 511.986)

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Definitions:

Warranty of Particular Purpose

A guarantee that a product will meet the specific requirements or needs of the buyer, going beyond general expectations.

Lack of Conformity

A situation where goods or services provided fail to meet the contractual specifications or standards agreed upon.

Section 402A

Part of the Restatement (Second) of Torts, imposing strict liability on manufacturers for defective products that cause harm.

Liability Exists

A condition where legal responsibility for damages or obligations is present and enforceable by law.