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OpenStudy (anonymous):
Suppose we calculate the least-squares regression lines for two sets of paired data. The first set has a regression line with slope m1 and correlation coefficient r1, while the second set has a regression line with slope m2 and correlation coefficient r2. If r1 < 0 < r2, we can correctly conclude that.. A) m1 < 0 < m2 B) r12 < 0 < r22 C) the first set displays stronger correlation than the second. D) the second set displays stronger correlation than the first.
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