A Variable Used in Regression Analysis That Represents the Presence

question 106

Multiple Choice

A variable used in regression analysis that represents the presence or absence of a condition, e.g., seasonality, is called a(n) :

• A) Random variable.
• B) Dummy variable.
• C) Constant term variable.
• D) Correlating variable.
• E) Fixed term variable.

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Definitions:

Weight

A measurement of the heaviness or mass of a person or object, influenced by the force of gravity.

Dense Breasts

A condition where breasts have less fatty tissue and more glandular and fibrous tissue, observed in mammograms.

Breast Cancer

A type of cancer originating from breast tissue, characterized by the uncontrolled growth of breast cells and commonly detected via lumps, imaging tests, or changes in breast appearance.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including exercise and daily activities.