Twenty People Participate in a Weight-Loss Program for 2 Months

question 31

Multiple Choice

Twenty people participate in a weight-loss program for 2 months.Their weights after the 2 months are compared to their starting weights.What kind of mean difference might be expected if the null hypothesis is true for a paired-samples t test?

• A) a loss of pounds, on average, showing the effectiveness of the program
• B) a negative mean difference, indicating significant weight loss
• C) no change in weight or weight gain, indicating that the program does not work
• D) weight loss, indicating that the program does not work

---

Definitions:

Diversity

The inclusion of individuals with a variety of characteristics, such as race, gender, age, and cultural background, in a group or organization.

Profitability

A measure of the extent to which a business or activity yields financial gain.

American Marketing Association

A professional association for marketing professionals with the aim of fostering a community and championing marketing excellence.

Statement of Ethics

a declaration or document that outlines the moral principles and standards of behavior expected within an organization or profession.