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Questio
n
1
1.
A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned.
What is the independent variable?
Answer
|
Salesperson |
|
|
Number of contacts |
|
|
Amount of sales |
|
|
Sales manager |
20 points
Question 2
1. In an ANOVA table for simple linear regression, the degrees of freedom for the regression mean square is equal to
Answer
| 1. |
|
n – 1. |
|
n – 2. |
| n |
20 points
Question 3
1. A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. What is the dependent variable?
Answer
|
Amount of sales dollars |
20 points
Question 4
1. If the correlation coefficient between two variables equals zero, what can be said of the variables X and Y?
Answer
|
Not related |
|
Dependent on each other |
|
Highly related |
|
X causes Y |
20 points
Question 5
1. Given the least squares regression equation, Ŷ = 1,202 + 1,133X, when X = 3, what does Ŷ equal?
Answer
|
5,734 |
|
8,000 |
|
4,601 |
|
4,050 |
