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:

Accounts Receivable

Money owed to a business by its customers for goods or services delivered but not yet paid for.