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կոռելյացիա
A measure of the extent to which two economic or statistical variables move together, normalized so that its values range from -1 to +1. It is defined as the covariance of the two variables divided by the square root of the product of their variances. The correlation is used in trade theory to express weak relationships among economic variables.
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- 行业/领域： 经济
- 类别 国际经济
- Company: University of Michigan
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