A mayor claims that the mean salary for working professionals in the downtown metropolitan area is $42,000. A sample of 35 randomly selected working professionals in the area yields a mean of $39,367 with a sample standard deviation of $7,548. At the a=0.05 significance level, test his claim.
This solution is comprised of a detailed explanation of various aspects of Hypothesis Test as it pertains to the given problem. The Interactive EXCEL sheet provides students with a clear perspective of the calculations and underlying concepts.