SCENARIO 12-10 One Criterion Used to Evaluate Employees in the Assembly Section

question 55

Multiple Choice

SCENARIO 12-10
One criterion used to evaluate employees in the assembly section of a large factory is the number of defective pieces per 1,000 parts produced.The quality control department wants to find out whether there is a relationship between years of experience and defect rate.Since the job is repetitious,after the initial training period any improvement due to a learning effect might be offset by a loss of motivation.A defect rate is calculated for each worker in a yearly evaluation.The results for 100 workers are given in the table below.

-Referring to Scenario 12-10,what is the expected number of employees with less than 1 year of training time and a high defect rate?

• A)4.17
• B)4.60
• C)5.28
• D)9.17

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