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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. Suppose 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
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