Question 1
The coefficient of correlation
◦
is the square of the coefficient of determination
◦
is the square root of the coefficient of determination
◦
is the same as r-square
◦
can never be negative
Question 2
The coefficient of determination
◦
cannot be negative
◦
is the square root of the coefficient of correlation
◦
is the same as the coefficient of correlation
◦
can be negative or positive