. 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