问题
单项选择题
The correlation derived from a historical analysis of bond market returns in the U.S. and in Canada is 0.72. Which of the following statements is true（）
A. When the U. S. market has a below average performance, the Canadian market is likely to have a below average performance.
B. When the U. S. market rises 1%, the Canadian market rises 0.72%.
C. When the U. S. market rises, the Canadian market is more likely to decrease than increase.
答案
参考答案：A
解析：
The positive correlation is strong, but not perfect. We know that the markets tend to move in the same direction on average, but not for every period.
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