3.Ron James, CFA, computed the correlation coefficient for historical oil prices and the occurrence of a leap year and has identified a statistically significant relationship. Specifically, the price of oil declined every fourth calendar year, all other factors held constant. James has most likely identified which of the following conditions in correlation analysis? A) Positive correlation. B) Spurious correlation. C) Nonlinear correlation. D) Outliers.
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发表于 2008-4-1 13:08
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