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

question 28

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,for the cell with 1 to 4 years of training time and a high defect rate,what is the contribution to the overall $\chi$ ² statistic for the independence test?

• A)0.36
• B)0.1296
• C)0.015
• D)0.0144

Analyze the impact of inventory policies on service levels and total costs.

Comprehend the difference between fixed-quantity and fixed-period inventory systems and their applications.

Apply inventory management principles to specific business cases, including ABC analysis for inventory control.

Understand and calculate safety stock levels and reorder points based on demand variability and desired service levels.

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