Use the Sign Test to Test the Indicated Claim

question 51

Essay

Use the sign test to test the indicated claim. A researcher wishes to test whether a particular diet has an effect on blood pressure. The blood pressure of 25 randomly selected adults is
measured. After one month on the diet, each person's blood pressure is again measured. For
19 people, the second blood pressure reading was lower than the first, and for 6 people, the
second blood pressure reading was higher than the first. At the 0.01 significance level, test the
claim that the diet has an effect on blood pressure.

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Definitions:

Civil Rights Act

A significant law in the United States that prohibits discrimination on the basis of race, color, religion, gender, or nationality.

Hostile Work Environment

A form of workplace harassment where unwelcome conduct based on an individual’s protected characteristic unreasonably interferes with work performance.

Sexual Harassment

Unwelcome sexual advances, requests for sexual favors, and other verbal or physical conduct of a sexual nature that affects an individual's employment, interferes with their work performance, or creates a hostile work environment.

Injection

A method of delivering medication or other substances into the body, often through a syringe and needle.