A Correlation Coefficient of _____ Indicates That the Variables Form

question 13

Multiple Choice

A correlation coefficient of _____ indicates that the variables form a perfect linear relationship.

• A)+1.00
• B)-1.00
• C)0.00
• D)both +1.00 and -1.00

Comprehend the role of dummy variables in representing qualitative data within regression models.

Understand the concept and calculation of the coefficient of determination in explaining the variability in the dependent variable by the model.

Grasp the significance of residuals in regression analysis and how they represent the deviations between observed and predicted values.

Recognize the importance of selecting an appropriate number of predictors in a regression model to optimize model fit and prevent overfitting.

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