I in Order to Visualize the Form of the Regression

question 58

Multiple Choice

i. In order to visualize the form of the regression equation, we can draw a scatter diagram. ii. When a regression line has a zero slope, indicating a lack of a relationship, the line is vertical to the x-axis.
iii. In regression analysis, the predicted value of Y' rarely agrees exactly with the actual Y value, i.e., we expect some prediction error.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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