Which of the Following Would You Expect of a Species

question 36

Multiple Choice

Which of the following would you expect of a species that has a high resting cardiac output?

• A) The animal is likely small and compact, without the need to pump blood very far from the heart.
• B) The species likely has very wide-diameter veins.
• C) The animal likely has a very long distance between its heart and its brain.
• D) The animal likely has a relatively inactive lifestyle.

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Definitions:

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.

Independent Variables

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