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.
Correct Answer:
Verified
Q2: What is the chart called when the
Q3: A scatter diagram is a chart,
A) in
Q4: Data is collected from 20 sales people
Q5: A sales manager for an advertising agency
Q6: A sales manager for an advertising agency
Q8: Given the scatter diagram below, that shows
Q9: i. The least squares technique minimizes the
Q10: i. If we are studying the relationship
Q11: i. A scatter diagram is a chart
Q18: In the regression equation, Y' = a
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