Question: 6.29 Interpreting correlation. The same article that claims that the cotrelation between changes in stock prices in Eu rope and the United States is 0.8

6.29 Interpreting correlation. The same article that claims that the cotrelation between changes in stock prices in Eu rope and the United States is 0.8 goes on to say: "Crudely, that means that movements on Wall Street can explain 80% of price movements in Europe." Is this true? What is the correct percent explained ifr = 0.8?

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