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) All statements are false

Question

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) All statements are false

Quizplus · Accepted Answer

Explanation: Statement (i) is incorrect because regression analysis is used to model the relationship between variables, not just measure it. Statements (ii) and (iii) are correct as a scatter diagram can visualize the regression equation, and a zero slope indicates a horizontal line.

I the Technique Used to Measure the Strength of the Relationship