Topic - Regression Analysis QUESTION 1 A multiple regression model can incorpora

Question

Topic - Regression Analysis

QUESTION 1

A multiple regression model can incorporate polynomial terms derived from regressor variables with each term treated as a new regressor.

True

False

4 points   

QUESTION 2

In regression, to model a qualitative (categorical) variable an allocated code such as 1, 2, and 3 is appropriate.

True

False

4 points   

QUESTION 3

Forward selection, backward elimination and stepwise regression all lead to the same choice of final model.

True

False

4 points   

QUESTION 4

Ridge regression is a regression method that is most useful in situations where there is multicollinearity among regressors.

True

False

4 points   

QUESTION 5

An intrinsically linear model can be transformed to an equivalent linear form.

True

False

4 points   

QUESTION 6

True

False

4 points   

QUESTION 7

The ridge regression estimator is a linear transformation of the least-squares estimator.

True

False

4 points   

QUESTION 8

The breakdown point of ordinary least-squares estimators for a sample of size n is 1/n.

True

False

Explanation / Answer

1 ans false

2 ans false

3ans true

4ans true

5 ans true

6 ans false

7ans true

8 ans) false

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