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) A regression equation may be determined using a mathematical method called the least squares principle.
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) A regression equation may be determined using a mathematical method called the least squares principle.
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

Statement (i) is incorrect because the technique described is correlation analysis, not regression analysis. Statements (ii) and (iii) are correct as a scatter diagram can visualize the form of a regression equation, and the least squares principle is used to determine a regression equation.

I the Technique Used to Measure the Strength of the Relationship