The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 52.3 mmHg (millimeters of mercury) for a sample of size 6 and a sample standard deviation 16.4 mmHg. How much of mmHg will lower for a typical patient's systolic blood pressure after taking the drug? Estimate with a 90% confidence.
The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 52.3 mmHg (millimeters of mercury) for a sample of size 6 and a sample standard deviation 16.4 mmHg. How much of mmHg will lower for a typical patient's systolic blood pressure after taking the drug? Estimate with a 90% confidence.
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The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 52.3 mmHg (millimeters of mercury) for a
Preliminary:
- Is it safe to assume that n≤5%n≤5% of all patients with a systolic blood pressure?
- No
- Yes
- Is n≥30n≥30 ?
- No
- Yes
Confidence Interval:What is the 90% confidence
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