Determine whether average return on equity for all companies

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Reference no: EM131015357

Consider the financial database. Are the average earnings per share for companies in the stock market less than $2.50? Use the sample of companies represented by this database to test that hypothesis. Let a = .05. Test to determine whether the average return on equity for all companies is equal to 21. Use this database as the sample and a = .10. Assume that the earnings per share and return on equity are normally distributed in the population.

Reference no: EM131015357

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