Data Were Collected for a Study Investigating What Factors Affect

question 10

Multiple Choice

Data were collected for a study investigating what factors affect the size of company bonuses.The number of employees at the company and whether or not the employees were unionized (1 = yes, 0 = no) was included in two competing multiple regression models.Which of the following statements is true?

• A)Model 2 explains less of the variability in average annual bonus than model 1.
• B)The standard deviation of residuals is lower for model 1 compared to model 2.
• C)Model 1 includes an interaction term.
• D)Model 2 is better than model 1.
• E)Model 1 is better than model 2.

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