Mr. smith had 11 stocks that averaged 11.3 percent with a, Ask an Expert

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A sample of 8 stocks of Mr. Jones had an average rate of return of 10.6 percent with a standard deviation of 3.5 percent. Mr. Smith had 11 stocks that averaged 11.3 percent with a standard deviation of 3.2 percent. At the .02 level of significance, can we conclude that Mr. Jones' stocks have a different variation?

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