Which of the following could be the valid value(s) of the correlation coefficient between two variables?
(A) -1
(B) +1
(C) -2
(D) +2
Choose the correct answer from the options given below
The correlation coefficient, which measures the strength and direction of a linear relationship between two variables, ranges from -1 to +1. -1 indicates a perfect negative linear correlation, +1 indicates a perfect positive linear correlation, and 0 indicates no linear correlation. Values outside this range, such as -2 or +2, are not possible.
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