Sally Is a Staunch Democrat

question 91

Multiple Choice

Sally is a staunch Democrat. She has been arguing with Jim, who is a staunch Republican. In the course of their discussion, Sally is able to withstand the arguments Jim offers for his position, but just barely. She realizes afterward that her own counterarguments to his were pretty weak. Subsequent to this realization, Sally's attitude will

• A) become less certain.
• B) remain unchanged.
• C) become more certain.
• D) change to agree with Jim.

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Definitions:

MSE

Mean Squared Error, a measure of the average of the squares of the errors—that is, the average squared difference between the estimated values and the actual value.

Least Squares Estimate

A statistical technique that determines the line of best fit for a model by minimizing the sum of the squares of the vertical differences (residuals) between the observed values and the values predicted by the model.

Intercept

In the context of mathematical graphs and equations, it refers to the point where a line or curve crosses an axis.

Regression Analysis

A statistical method for estimating the relationships among variables, often for predicting a dependent variable based on one or more independent variables.