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

question 175

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, a test was conducted to determine if a relationship exists between defect rate and years of experience.Which of the following p-values would indicate that defect rate and years of experience are dependent? Assume you are testing at = 0.05.

• A)0.045
• B)0.055
• C)0.074
• D)0.080

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