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

question 8

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. The test statistic for this hypothesis would be ________.

• A) 1.41
• B) −1.41
• C) 1.74
• D) −1.74

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Definitions:

Anti-Foreign Sentiment

A prejudicial outlook or discrimination against foreigners, often resulting in hostility or unfavorable treatment towards people from other countries.

Economic Recovery

The process of overcoming a period of economic downturn or recession, characterised by a resurgence in business activity, employment, and output.

World Depression

A worldwide economic downturn, most notably the Great Depression of the 1930s, which had profound effects on global economies and societies.

Federal Government

The central authority of the United States, composed of the legislative, executive, and judicial branches, responsible for governing the country at a national level.