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A Physician and President of a Tampa Health Maintenance Organization

question 15

Multiple Choice

A physician and president of a Tampa Health Maintenance Organization (HMO) are attempting to show the benefits of managed health care to an insurance company. The physician believes that certain types of doctors are more cost-effective than others. To investigate this, the president obtained independent random samples of 20 HMO physicians from each of 4 primary specialtiesGeneral Practice (GP) , Internal Medicine (IM) , Pediatrics (PED) , and Family Physicians (FP) and recorded the total charges per member per month for each. A second variable which the president believes influences total charges per member per month is whether the doctor is a foreign or US medical school graduate. To investigate this, the president also collected data on 20 foreign medical school graduates in each of the 4 primary specialty types described above. So information on charges for 40 doctors (20 foreign and 20 US medical school graduates) was obtained for each of the 4 specialties. The president has already found out that specialty types and origin of the medical degree do not interact to affect the charges. Which of the following tests will be the most appropriate to find out if the primary specialty affects the charges?

Definitions:

Permanent Storage

A term generally used to refer to the long-term preservation of data or information in a manner that prevents its loss over time.

Good Night's Rest

Adequate, quality sleep, typically considered to be around 7 to 9 hours for adults, which is essential for physical, mental, and emotional health.

Giraffes

Long-necked, hoofed mammals native to Africa, known for their tall stature, which allows them to access leaves and branches higher than other herbivores can reach.

Constant Illumination

A condition where an environment is continuously exposed to light, without periods of darkness.