Which of the following is a true statement? a) The variable that is being predic
ID: 3060075 • Letter: W
Question
Which of the following is a true statement?
a) The variable that is being predicted in regression analysis is the independent variable.
b) If there is no correlation between the independent and dependent variables, then the value of the correlation coefficient must be -1.
c) The correlation coefficient r is always between -1 and +1.
d) The coefficient of determination can assume negative values.
e) A negative correlation indicates that as values of x decrease, values of y will decrease.
f) None of the above
Explanation / Answer
The correlation coefficient r is always between -1 and +1.
Option C is correct.