The Worldwide Epidemic of HIV/AIDS Has Had:​

question 51

Multiple Choice

The worldwide epidemic of HIV/AIDS has had:​

• A)​no impact on worldwide sexual behavior
• B)​little impact in societies with few sexual restrictions
• C)​great impact especially in sexually restrictive societies
• D)​relatively little impact in sexually restrictive societies

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Definitions:

Independent Variables

Variables in an experiment or model that are manipulated or categorized to observe their effect on dependent variables.

Goodness of Fit

A statistical test used to determine how well observed data match the expected data from a model.

Estimated Regression Equation

The estimate of the regression equation developed from sample data by using the least squares method. For simple linear regression, the estimated regression equation is yˆ = b0 + b1x.

Multicollinearity

A statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, making it difficult to distinguish their individual effects on the dependent variable.