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An investor is interested in the difference in return of stocks and bonds. He samples 100...

An investor is interested in the difference in return of stocks and bonds. He samples 100 stocks and finds that the average the average return to be 7.2%, with a sample standard deviation of 1%. He also sampled 75 bonds and finds an average return of 6.5%, with a sample standard deviation of 1.5%. He decide to test μ1 = μ2 at the 1% level of significance. What is the outcome of your test?

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