i. The technique used to measure the strength of the relationship between two sets of variables
Using the coefficient of correlation and the coefficient of determination is called regression analysis.
ii. In order to visualize the form of the regression equation, we can draw a scatter diagram.
iii. When a regression line has a zero slope, indicating a lack of a relationship, the line is horizontal
To the x-axis.
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
Q3: A scatter diagram is a chart,
A) in
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
Q12: Based on the regression equation, we can
A)
Q14: Given the scatter diagram below, that shows
Q15: Suppose the least squares regression equation is
Q17: i. If we are studying the relationship
Q18: In the equation Y' = a +
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