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6. A media report claims that the mean hourly wage rate for all public sector employees in Australia in 2017 was 49 AU$. Do you

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6. A media report claims that the mean hourly wage rate for all public sector employees in Australia in 2017 was 49 AU$. Do you agree? Perform a hypothesis test at the 5% significance level. Clearly label your diagram and indicate any assumptions made. Explain carefully if any potential errors in your decision making

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