Statistics Assignment13
Jdpt3
chapter_13_assignment_stats_ii.docxQuestion 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
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Salesperson |
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Number of contacts |
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Amount of sales |
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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
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1. |
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n – 1. |
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n – 2. |
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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
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Salesperson |
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Number of contacts |
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Amount of sales dollars |
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Sales manager |
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
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Not related |
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Dependent on each other |
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Highly related |
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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
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5,734 |
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8,000 |
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4,601 |
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4,050 |
