Automobile Service Solved Problem 2 An automobile service is having difficulty providing oil changes in the 29 minutes or less mentioned in its advertising. You are to analyze the process of changing automobile engine oil. The subject of the study is the service mechanic. The process begins when the mechanic directs the customer’s arrival and ends when the customer pays for the services.
Vanishing Cream Analysis Solved Problem 4 Vera Johnson and Merris Williams manufacture vanishing cream. Their packaging process has four steps: mix, fill, cap, and label. They have had the reported defects analyzed, which shows the following. Draw a Pareto chart to identify the vital defects.