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:

Contract Terms

Clauses and conditions outlined in a contract that determine the rights and obligations of the involved parties.

Age of Majority

The legal age at which an individual is recognized as an adult and can engage in activities such as voting and signing contracts.

Illegal Subject

Refers to a topic or matter that is prohibited by law and cannot legally be the subject of a contract or agreement.

Voidable Contract

A contract that may be legally declared invalid by one party due to factors such as fraud or lack of capacity to consent.