An Advertisement for a Popular Weight-Loss Clinic Suggests That Participants

question 31

Multiple Choice

An advertisement for a popular weight-loss clinic suggests that participants in its new diet program lose,on average,more than 10 pounds.A consumer activist decides to test the authenticity of the claim.She follows the progress of 18 women who recently joined the weight-reduction program.She calculates the mean weight loss of these participants as 10.8 pounds with a standard deviation of 2.4 pounds.At the 5% significance level,the critical value would be ______.

• A) 1.960
• B) 1.645
• C) 2.030
• D) 1.740

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Definitions:

Therapy

A treatment intended to relieve or heal a disorder, often involving psychological methods.

Withdrawal

The process of reducing or eliminating the intake of a substance, often leading to uncomfortable physical or psychological symptoms.

Negative Characteristic

Refers to unfavorable or harmful traits or features associated with something or someone.

Object Relations School

A psychoanalytic theory focusing on relationships and the impact of early family dynamics on mental health.