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. A claim is made that the average salary for all jobs in Minnesota is less than $73,400. You are going to test the claim
. A claim is made that the average salary for all jobs in Minnesota is less than $73,400. You are going to test the claim using =0.05 and assume that your data is normally distributed and the population standard deviation () is not known.
Identify and explain which test statistic you will use for your hypothesis test: z or t? Find the value of the test statistic. Provide your calculations in the cells designated to the right. Explain your answers below.
Calculations/Values | Formulas/Answers |
Mean (x-bar) | |
Standard Deviation | |
n | |
mu | |
Test Statistic | |
Critical Value | |
P-value |
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