If Barack Obama Is Like Most Politicians, Then He Probably

question 118

Multiple Choice

If Barack Obama is like most politicians, then he probably ____.

• A) overemphasized political trade-offs the first time he ran for office, but disregarded them when he was running for reelection
• B) overemphasized political trade-offs when he was running for reelection, but disregarded them the first time he ran for office
• C) disregarded political trade-offs the first time he ran for office as well as when he was running for reelection
• D) disregarded political trade-offs when in office as well as when running for reelection

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Definitions:

Durbin-Watson Statistic

A test statistic used to detect the presence of autocorrelation in the residuals from a linear regression analysis.

Multiple Regression Model

A predictive method in statistics that uses a range of explanatory variables to estimate the result of a dependent variable.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to determine their effect on dependent variables without being affected by any other variable in the model.

Homoscedasticity

A term in statistics describing a situation where all random variables across a dataset have the same finite variance.