Question 1

Three predictor variables are being considered for use in a linear regression model. Given the correlation matrix below, does it appear that multicollinearity could be a problem?

Accepted Answer

The answer of Three predictor variables are being considered for...

Question 2

Discuss two indicators that can be found in an analysis that suggest multicollinearity is present.

Accepted Answer

The answer of Discuss two indicators that can be found...

Question 3

Real Estate Builder A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. House size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is measured in years. A partial computer output is shown below. SUMMARY OUTPUT 
  ANOVA 
     {Real Estate Builder Narrative} At the 0.01 level of significance, what conclusion should the builder draw regarding the inclusion of education in the regression model?

Accepted Answer

The answer of Real Estate Builder A real estate builder...

Question 4

Real Estate Builder A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. House size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is measured in years. A partial computer output is shown below. SUMMARY OUTPUT 
  ANOVA 
      
 
    {Real Estate Builder Narrative} What are the numerator and denominator degrees of freedom for the F -statistic?

Accepted Answer

The answer of Real Estate Builder A real estate builder...

Question 5

Real Estate Builder A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. House size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is measured in years. A partial computer output is shown below. SUMMARY OUTPUT  ANOVA 
       
 
 {Real Estate Builder Narrative} What are the regression degrees of freedom that are missing from the output?

Accepted Answer

The answer of Real Estate Builder A real estate builder...

Question 6

How do you go about checking for multicollinearity?

Accepted Answer

The answer of How do you go about checking for...

Question 7

Real Estate Builder A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. House size is measured in hundreds of square feet, income is measured in thousands of dollars, and education is measured in years. A partial computer output is shown below. SUMMARY OUTPUT 
  ANOVA 
  
        
 {Real Estate Builder Narrative} What are the residual degrees of freedom that are missing from the output?

Accepted Answer

The answer of Real Estate Builder A real estate builder...

Quiz 17: Multiple Regression

Three predictor variables are being considered for use in a linear regression model. Given the correlation matrix below, does it appear that multicollinearity could be a problem?

Discuss two indicators that can be found in an analysis that suggest multicollinearity is present.

How do you go about checking for multicollinearity?