An Interaction Term in a Multiple Regression Model May Be

question 43

Multiple Choice

An interaction term in a multiple regression model may be used when

• A)the coefficient of determination is small.
• B)there is a curvilinear relationship between the dependent and independent variables.
• C)neither one of 2 independent variables contribute significantly to the regression model.
• D)the relationship between and Y changes for differing values of

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Definitions:

HIV Diagnosis

The process of testing and confirming the presence of the HIV (Human Immunodeficiency Virus) in an individual.

CD4 Count

A measure of the number of CD4+ T lymphocytes in the blood, used to assess the immune system's health in individuals, particularly those with HIV/AIDS.

Healthy Person

An individual who enjoys physical, mental, and social well-being, free from major diseases or disorders.

Opportunistic Infections

Infections that occur more frequently and are more severe in individuals with weakened immune systems, such as those with HIV/AIDS.