A Large Company That Produces a "Fat-Burner" Pill Claims an Average

question 12

Multiple Choice

A large company that produces a "fat-burner" pill claims an average loss of 20 pounds in the first month. A consumer advocacy group believes that this claim is actually just "hype" intended to sell more of the compound. The advocacy group would like to obtain statistical evidence about this issue and takes a random sample of 100 consumers who responded that they had purchased the pill but didn't know what the survey was about. They find that these 100 people lost an average of 18 pounds with a standard deviation of 7.5 pounds.
What is the value of the standardized test statistic for this significance test?

• A) -2.000
• B) 0.267
• C) -0.267
• D) -2.667

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Definitions:

Emotionally Charged Memory

A memory that is strongly associated with emotional events, often remembered more vividly and accurately.

Psychosexual Stages

Freud's theory that child development occurs in a series of stages focused on different pleasure areas of the body. Each stage has specific outcomes for personality development.

Defense Mechanism

Psychological strategies that individuals unconsciously use to protect themselves from anxiety arising from unacceptable thoughts or feelings.

Induction

A method of reasoning in which general principles are derived from specific observations, opposite of deduction.