Question: A sample of 85 workers found the average overtime hours worked in the previous week was 8.9, with standard deviation 4.3 hours. Test the hypothesis

  • A sample of 85 workers found the average overtime hours worked in the previous week was 8.9, with standard deviation 4.3 hours. Test the hypothesis that the average for all workers is 5 hours or less. Use α = 0.05 level of significance?                         

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