Multiple Choice
i. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.
Ii) A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two variables is quite weak.
Iii) Coefficients of -0.91 and +0.91 have equal strength.
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
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Use the scatter diagrams to verify which
Q10: i. A coefficient of correlation r close
Q11: A sales manager for an advertising agency
Q12: i. A coefficient of correlation r close
Q13: i. The basic question in testing the
Q15: What does the coefficient of determination equal
Q16: i. A coefficient of correlation r close
Q17: i. The basic question in testing the
Q18: In the equation Y' = a +
Q19: A sales manager for an advertising agency