Use the Sign Test to Test the Indicated Claim

question 103

Multiple Choice

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 24 randomly selected adults is
Measured. After one month on the diet, each person's blood pressure is again measured. For
18 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. What would be the value of the test
Statistic, x?

• A)19
• B)6
• C)13
• D)5

Describe the distribution strategy for various types of products.

Explain the role of market research in product development.

Understand the purpose and impact of test marketing.

Comprehend the classification of business goods and services.

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Definitions:

Student Ambassador

A student chosen to represent and promote their school or university to potential students, visitors, and other external stakeholders.

Evolutionary Psychologists

Evolutionary psychologists study the origins of human behavior and mental processes through the lens of evolutionary theory, proposing that many human psychological traits are adaptations shaped by natural selection.

Sex Differences

Variations in characteristics, occurrences, or behaviors that are distinctly different between males and females.

Offspring Investment

The allocation of resources by parents to the growth, survival, and reproductive success of their children or young.