Preferred Provider Organizations (PPOs)

question 109

Multiple Choice

Preferred provider organizations (PPOs)

• A)charge a fixed amount per member, hire many of their own physicians, and provide health services only to members.
• B)require that their members give up the right to file medical malpractice suits.
• C)are illegal in several states.
• D)require physicians and hospitals to provide discounted prices for their services as a condition for being included in the insurance plan.

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Definitions:

Cov(x,y)

The covariance between two variables X and Y, measuring how changes in one variable are associated with changes in a second variable.

Interquartile Range

A measure of statistical variability, defined as the difference between the third and first quartiles of a data set, indicating the spread of the middle 50% of the data.

Test Scores

The numerical outcomes or results obtained from administering educational or psychological tests to evaluate skills, knowledge, or abilities.

Quartiles

Values that divide a set of data into four equal parts, each representing a 25% interval.