Statistics Assignment13

Questio

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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?

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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

Salesperson

Number of contacts

Sales manager

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

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