Which of the following best describe a -0.85 correlation between two sets of data? A. When one series increases, other increases in almost the same proportion. B. When one series decreases, other increases in almost the same proportion. C. When one series decreases, other decreases in almost the same proportion. D. When one series increases or decreases, other series does not change.

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A: Solution

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Q: 50 30 20 8 10 12 14 16 O 0.68 O -0.87 O -0.15 0.63 0.98

A:

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