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:

Font Dialog Box

A user interface element that allows users to customize font attributes such as typeface, size, and color in text editing applications.

Format Painter

A tool in many software applications that allows users to quickly copy and apply the formatting from one part of a document to another.

Background Feature

A software attribute that allows users to set or customize the background in applications or operating systems for aesthetic or functional purposes.

Slide Borders

The outer frame or edge area of a slide in a presentation, which can be customized or designed to enhance visual appeal.