Questions 9-11: Results ofa case control study designed to examine the association between high blood pressure (hypertension) and the risk of stroke in adult males are shown in the following table. Status Cases of Stroke Controls High Blood Pressure 300 200 Normal Blood Pressure 100 200 11. What can you conclude if the Z score for these data is 7.0? B. High blood pressure significantly increased the risk of stroke. O D. None of the above. O A. High blood pressure significantly decreased the risk of stroke. O C. Blood pressure had no effect on the risk of stroke.
Questions 9-11: Results ofa case control study designed to examine the association between high blood pressure (hypertension) and the risk of stroke in adult males are shown in the following table. Status Cases of Stroke Controls High Blood Pressure 300 200 Normal Blood Pressure 100 200 11. What can you conclude if the Z score for these data is 7.0? B. High blood pressure significantly increased the risk of stroke. O D. None of the above. O A. High blood pressure significantly decreased the risk of stroke. O C. Blood pressure had no effect on the risk of stroke.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:### Results of Case Control Study: Association Between High Blood Pressure and Stroke Risk
This study examines the association between high blood pressure (hypertension) and the risk of stroke in adult males. The data is presented in the table below:
| Status | Cases of Stroke | Controls |
|-----------------------|-----------------|----------|
| High Blood Pressure | 300 | 200 |
| Normal Blood Pressure | 100 | 200 |
**Interpretation Question:**
11. What can you conclude if the Z score for these data is 7.0?
- **A.** High blood pressure significantly decreased the risk of stroke.
- **B.** High blood pressure significantly increased the risk of stroke.
- **C.** Blood pressure had no effect on the risk of stroke.
- **D.** None of the above.
### Explanation:
The table illustrates the difference in the number of stroke cases and controls between individuals with high blood pressure and those with normal blood pressure. A Z score of 7.0 suggests a statistically significant result.
The interpretation options provide conclusions regarding the effect of high blood pressure on the risk of stroke.
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