Data from the Bureau of Labor Statistics reports that the typical manufacturing worker in Wisconsin in 1997 earned a weekly 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 of $432.69 with a standard deviation of $33.90 At a 90% confidence level test the claim that manufacturing workers in Racine and Kenosha had the same salary as workers across the state. What will be your critical value? A) 1.645
Data from the Bureau of Labor Statistics reports that the typical manufacturing worker in Wisconsin in 1997 earned a weekly 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 of $432.69 with a standard deviation of $33.90 At a 90% confidence level test the claim that manufacturing workers in Racine and Kenosha had the same salary as workers across the state. What will be your critical value? A) 1.645
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 7
Data from the Bureau of Labor Statistics reports that the typical manufacturing worker in Wisconsin in 1997 earned a weekly 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 of $432.69 with a standard deviation of $33.90 At a 90% confidence level test the claim that manufacturing workers in Racine and Kenosha had the same salary as workers across the state. What will be your critical value?
A) 1.645
B) 1.96
C) 2.33
D) 2.575
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