Mathematics, 17.10.2019 19:00 KennyOaks6230
Suppose the mean salary for full professors in the united states is believed to be $61,650. a sample of 36 full professors revealed a mean salary of $69,800. assuming the standard deviation is $5,000, can it be concluded that the average salary has changed or is it still the same. (using a 0.05 level of significance)? (this mean you should perform a hypothesis testing h^0: μ_y^0=$61.650) ( provide 2 approached both the "t-test" and "p-value" approach. ) create the 95 % confidence interval for the population mean using the information above?
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Suppose the mean salary for full professors in the united states is believed to be $61,650. a sample...
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