Chapter 7 Activity

Mission: You are continuing your investigation of the 50 individuals infected with the virus. For this activity, you'll use the Chapter 8 Activity dataset to investigate the claim that the infected individuals have systolic blood pressures higher than 120 mm Hg.

1. What is the H₀? (Don't forget to include your sign.)

H₀:

2. What is the H₁? (Don't forget to include your sign.)

H₁:

3. Which type of test are you conducting? One-tailed or two-tailed?

4. What is your significance level?

=

5. What is the value of your test statistic? (Round your value to two decimal places.)

Test Statistic:

6. What is the p-value for your hypothesis test? (Round your value to three significant digits.)

P-value:

7. Explain how to use the critical value to make a decision about your hypothesis.

8. Explain how to use the p-value to make a decision about your hypothesis.

9. Based on your previous answers, what do you conclude about the claim?

10. In this mission, what will it mean to commit a Type I error?