Answer the following statement(s) true (T) or false (F)
1. When the quadratic regression model y = ?0 + ?1x + ?2x2 + ? is used, the term ?1shows the rate of curvature of the parabola.
2. The variance inflation factor measures the relationship between the dependent variable and the rest of the independent variables in the
regression model.
3. Even when an unimportant variable is added to a regression model, the explained variation will increase.
4. In comparing regression models, the regression model with the largest R2will also have the smallest standard error (s).
5. In a multiple regression mode, if the largest variance inflation factor (VIF) is 21.6, then it can be concluded that there are indications of
multicollinearity.
1.False
2.False
3.True
4.False
5.True
You might also like to view...
Which of the following is not one of the main ways to reduce cognitive dissonance?
A. Change your attitude. B. Complete an emotional intelligence assessment. C. Change your behavior. D. Find consonant elements that outweigh the dissonant ones. E. Belittle the importance of the inconsistent behavior.
To be successful, the humor in a humor appeal should be:
A) directed at the target audience of the ad B) of a low level since humor that is too heavy tends to interfere with message recall C) directed to the audience's value system D) connected directly to the product's benefits
When developing the ________ for his salon, Theo decided to obtain a long-term competitive advantage over other salons by offering longer hours, better prices, a well-trained staff, and hair coloring for half-price every Wednesday to attract customers.
A. business cycle B. focal point orientation C. marketing concept D. retail strategy E. selling concept
Which of the following is accomplished in the introduction?
A) The presentation of information gathered during your investigation B) A summary of key points C) Benefits to the reader D) It brings all the action items together in one place. E) It helps the reader understand the context of the report by tying it to a problem or assignment.