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A random sample of 20 observations showed a standard deviation of 8. At 95% confidence, test to see if the variance of the population is significantly less than 65. Use the critical value approach.
Pulmonary Artery
The large artery that carries deoxygenated blood from the heart to the lungs for oxygenation.
Vital Signs
Measurements of the body's basic functions, including temperature, blood pressure, pulse, and respiratory rate.
Diaphoresis
Excessive sweating, often as a result of illness or stress.
Primary Care Provider
A healthcare professional, such as a doctor, nurse practitioner, or physician's assistant, who acts as the first point of contact for patients and provides ongoing care.
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