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#### Concept explainers

**Using Technology. In Exercises 5–8, identify the indicated values or interpret the given display. Use the **

**a.** Is the test two-tailed, left-tailed, or right-tailed?

**b.** What is the test statistic?

**c.** What is the *P*-value?

**d.** What is the null hypothesis, and what do you conclude about it?

**e.** What is the final conclusion?

**5. Adverse Reactions to Drug** The drug Lipitor (atorvastatin) is used to treat high cholesterol. In a clinical trial of Lipitor, 47 of 863 treated subjects experienced headaches (based on data from Pfizer). The accompanying TI-83/84 Plus calculator display shows results from a test of the claim that fewer than 10% of treated subjects experience headaches.

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# Chapter 8 Solutions

Essentials of Statistics (6th Edition)

# Additional Math Textbook Solutions

Elementary Statistics: Picturing the World (7th Edition)

Intro Stats, Books a la Carte Edition (5th Edition)

Elementary Statistics

Essentials of Statistics, Books a la Carte Edition (5th Edition)

Fundamentals of Statistics (5th Edition)

- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillCalculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,