How Can We Use a Nominal Level Variable Like Region

question 7

Essay

How can we use a nominal level variable like region (East, West, South, and Midwest) in a regression analysis? How would you manipulate the variable for inclusion in the regression equation?

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Definitions:

AIDS

Acquired Immunodeficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV), leading to a severely weakened immune system.

Lymphocytes

White blood cells that are integral to the body's immune system, helping to fight off infections.

Plasma

The liquid component of blood where cells like red blood cells, white blood cells, and platelets are suspended.

Blood

A vital fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.