Which of these r-values represents the strongest correlation?A.–0.6B.–0.5C.–0.4D.–0.7
Question
Which of these r-values represents the strongest correlation?A.–0.6B.–0.5C.–0.4D.–0.7
Solution
The strength of a correlation is determined by its absolute value, regardless of whether it is positive or negative. The closer the absolute value of r is to 1, the stronger the correlation.
Here are the absolute values of the given r-values:
A. |-0.6| = 0.6 B. |-0.5| = 0.5 C. |-0.4| = 0.4 D. |-0.7| = 0.7
Comparing these values, we can see that 0.7 is the largest. Therefore, an r-value of -0.7 represents the strongest correlation among the options given. So, the answer is D. -0.7.
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