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(Solved): Question 11 Not yet answered Marked out of 5.00 Employees in a large manufacturing plant worked ...



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Question 11 Not yet answered Marked out of 5.00 Employees in a large manufacturing plant worked an average of 62 hours of overtime last year, with a population standard deviation of 15 hours. Let represents the number of overtime hours worked by employees last year. The z-score or the test statistic corresponding to a sample mean of 60 is Select one: 1. 0.7881 2. -0.8 3. 0.2119


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To calculate the z-score, we can use the formula:



  

Where:
x = sample mean
   = population mean
   = pop...
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