HCA Corporation Collects Data Regularly from Multiple Sources

question 5

Multiple Choice

HCA Corporation collects data regularly from multiple sources.It asks physicians to maintain a diary,it asks patients to complete a questionnaire,and conducts telephone interviews with ex-patients.The marketing department of HCA crunches this data and presents the information to the CEO to make marketing decisions.The information is all part of HCA's

• A)marketing information system.
• B)knowledge management.
• C)expert systems.
• D)data mining.
• E)model system.

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Definitions:

Market Advances

Market advances refer to the number of stocks that have increased in value over a given trading day, often used as an indicator of market sentiment or strength.

Betas

A measure of the volatility, or systematic risk, of a security or portfolio in comparison to the market as a whole.

Sharpe Measure

A method to calculate risk-adjusted return, comparing the return of an investment to its risk.

Standard Deviation

A statistical measure that indicates the extent of deviation or dispersion of a set of values from their mean.