Question: Access the hourly wage data on the text website Hourly Wage

Access the hourly wage data on the text website (Hourly_Wage). An economist wants to test if the average hourly wage is less than $22.
a. State the null and the alternative hypotheses for the test.
b. Use the function Z.TEST to calculate the p-value. Assume that the population standard deviation is $6.
c. At α = 0.05 what is the conclusion to the test? Is the average hourly wage less than $22?


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  • CreatedJanuary 28, 2015
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