Which of the following statements are true?
a. The correlation coefficient is dependent on the choice of both origin and scale observations.
b. The correlation coefficient is dependent on the units of measurements.
c. The coefficient of correlation is the square root of the coefficient of determination.
d. The zero value of the correlation coefficient cannot estimate the value of the dependent variable.
1
a and b are true
2
a, b and c are true
3
c and d are true
4
Only d is true.