Question
In 2001, the U.S. Department of Labor reported the average hourly earnings for U.S. production workers to be $14.32 per hour. A sample of 75
In 2001, the U.S. Department of Labor reported the average hourly earnings for U.S. production workers to be $14.32 per hour. A sample of 75 production workers during the 2003 showed a sample mean of $14.68 per hour. Assuming the population standard deviation= 1.45 can we conclude that an increase occurred in the mean hourly earnings since 2001? Use ? = .05.
A) What is the appropriatehypothesis test?
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Principles Of Economics
Authors: Robert H. Frank, Ben Bernanke Professor, Kate Antonovics, Ori Heffetz
6th Edition
0078021855, 9780078021855
