Multiple choices based on regression equation.
1. In the regression equation, what does the letter "b" represent?
a. Y intercepts
b. Slope of the line
c. Any value of the independent variable that is selected
d. Value of Y when X-0
e. None of the above
2. Assume the least squares regression equation is Y' = 1,202 + 1,133X. When X = 3, what does Y' equal?
a. 5,734
b. 8,000
c. 4,601
d. 4,050
e. None of the above
3. What is the general form of the regression equation?
a. Y' = ab
b. Y' = a + bX
c. Y' = a - bX