Question:

ED.) Data from the Bureau of Labor Statistics reports that the typical manufacturing worker in Wisconsin in 1997 earned a. weeklyr salary of $424.20. Suppose you wanted to see if this were true just in the far Southeastern portion of the state. You obtain a sample of tax returns for manufacturing workers in Racine and Kenosha for the year 1997. Your sample consists of 54 workers and has a mean weekly salary}.r of $432.69 with a standard deviation of $33.90 At a 90% condence level test the claim that manufacturing workers in Karine and Kenosha had the same salary as workers across the state