A Weight-Loss Guru Is Offering Free Exercise Training and Diet

question 81

Multiple Choice

A weight-loss guru is offering free exercise training and diet plans for people who want to participate in her program.She finds that 85 percent of the participants who signed up lost an average of 30 pounds in just six months.She then promotes her program as the most effective plan available and promises each participant a weight loss of 20 pounds or more.Is her plan really as effective as she says?

• A) Yes; the study included both diet and exercise as part of the plan.
• B) Yes; the estimated weight loss is a conservative estimate (20 pounds) compared to the mean weight loss for the study (30 pounds).
• C) No; the study should include both men and women.
• D) No; the study is based on a volunteer sample, which may be very different from a randomly selected one.

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Definitions:

Stolen Car

A vehicle that has been taken without the owner's consent, often leading to criminal charges against the person in possession.

Breach of Warranty

The failure to fulfill the terms of a promise or guarantee made about the quality or condition of a product or service.

Mixed Sale

Involves a transaction that includes a combination of taxable and nontaxable items or services, often requiring special considerations for tax calculation and reporting.

Goods with Services

Transactions that involve a combination of physical products and the provision of services as part of the offering.