Answer on Statistics and Probability Question for Josh
The U.S Bureau of the census reported mean hourly earnings in the wholesale trade industry of u=9.70 per hour in 1987. A random sample of n=49 wholesale trade workers in a particular city showed a sample mean hourly wage of x=9.30 per hour with a standard deviation of s=1.05 per hour. Test to see if wage rates in the city differ significantly from the reported 9.70. Test to see if wage rates in the city differ significantly from the reported $9.70. Use Alpha=.05.
a. Reject Ho: Z of 2.6667 greater than 1.960 b. Reject Ho: Z of 2.667 greater than 1.645 c. Reject Ho: Z of -2.6667 less than -1.960 d. Do not reject Ho: Z of .3810 less than 1.960 e. None of the above Add update You have 500characters left Submit Cancel
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