If a Categorical Independent Variable Contains Two Categories,then ___________ Dummy

question 7

Multiple Choice

If a categorical independent variable contains two categories,then ___________ dummy variable(s) will be needed to uniquely represent these categories.

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Chronic Pulmonary Histoplasmosis

A long-term lung infection caused by the fungus Histoplasma capsulatum, often resulting from inhaling spores from contaminated soil or dust.

Silicosis

A lung disease caused by inhaling tiny bits of silica, predominantly from quartz, leading to inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs.

Asbestosis

A lung disease resulting from the inhalation of asbestos particles, characterized by fibrosis of the lungs and breathing difficulties.

Internal Respiration

The exchange of gases (oxygen and carbon dioxide) between the blood and the body cells.