The simple linear regression equation equals alpha ________ beta times X.

The simple linear regression equation equals alpha ________ beta times X.
 a. minus
 b. times
 c. plus
 d. divided by

Question 2

To what does the term political economy refer?

Question 3

Regression is a(n) ________ technique, while correlation is a(n) ________ technique.
 a. dependence; dependence
 b. dependence; interdependence
 c. independence; dependence
 d. interdependence; dependence.

Question 4

What is a social class?

Question 5

The main diagonal of a correlation matrix is equal to:
 a. zero
 b. -1.00
 c. 0.50
 d. 1.00

Question 6

What effect does economic development typically have on family size? Why?

Question 7

R squared equals the explained variance ________ the total variance.
 a. plus
 b. divided by
 c. minus
 d. times

Question 8

What are the three steps a company must take when considering whether an international market is right for a product?

Question 9

If the correlation between X and Y is -0.40, the proportion of Y that is explained by X is:
 a. .40
 b. .20
 c. .30
 d. .16