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The Polling Industry Suffered a Setback in 1948 When It

question 21

Multiple Choice

The polling industry suffered a setback in 1948 when it predicted that ________ would win the presidential election.


Definitions:

Stepwise Regression

A statistical method of building a model by adding or removing predictors based on their statistical significance.

Independent Variable

A variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Simple Regression

An analytical approach that employs a linear equation to depict how a dependent variable is influenced by one independent variable.

Stepwise Regression

A method of regression analysis in which the selection of predictive variables is carried out by an automatic procedure, adding or removing predictors based on specific criteria.

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