Using anova instead of regression to solve problem

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Reference no: EM1323220

Q1) Market model relating rate of return of stock XYZ (denoted RXYZ) to rate of return of a broader index of stock market (denoted RM) is reported as: RXYZ = 4.46 + 0.304RM

Coefficient

Standard Error

 

4.460

3.0400

 

0.304

0.3243

 

Analysis of Variance

 

 

Source

DF

Sum of Squares

Regression

?

141.9

Residual

?

3718.9

Total

24

?





Which of given is an suitable null hypothesis?

a) H0: beta1 = 0

b) H0: beta1 = beta0

c) H0: beta1 ≠ 0

d) H0: beta1 ≠ beta0

Q2) What can be done to remedy multicollinearity?

a) Use ANOVA instead of Regression.

b) Drop variables which are correlated from the model.

c) Add dummy variables to prevent problem.

d) None of the above.

Q3) You have been given report which presents 2 regression models with different numbers of independent variables. You don't have the data so you can't recalculate regression
models. However, you have been asked to find out which model is better. How can you
reasonably compare them?

a) Use R-square

b) Use Adjusted R-square

c) Use coefficient of determination

d) You can't compare models with different numbers of independent variables.

Reference no: EM1323220

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