Which of the following is a true statement about correlations?
A) A correlation of zero indicates a strong relationship between two variables.
B) A correlation of –1.00 indicates a weak relationship between two variables.
C) A correlation of +1.00 provides clear evidence that one variable has a causative effect upon the other.
D) Correlations can range from –1.00 to +1.00 and describe the strength of a relationship between two variables.
D
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