Problem 9-1[The following information applies to the questions displayed below.]The following are the car repair shop data:Ticket No.Work Ticket No.Work Ticket No.Work 1 Lube & oil11Battery212 Tires12Lube & oil3 Tires13Lube & oil4 Brakes14Brakes245 Brakes15Tires6 Transmission16Tires267 Tires17Battery8 Tires18Lube & oil289 Brakes19Tires29Transmission10 Lube & oil20Lube & oilProblem 9-1 Part aa.Prepare a check sheet for the above car repair shop data:Work TypeFrequency Lube & oil10Tires9Brakes6Battery3Transmission2Total30Problem 9-1 Part bb.Select a appropriate Pareto diagram for the above car repair shop data:-2-2 Lube & oil 22 Tires 23 Tires Lube & oil 25 Battery Lube & oil 27 Brakes Lube & oil 30 Brakes
Problem 9-2[The following information applies to the questions displayed below.]An air-conditioning repair department manager has compiled data on the primary reason for 41 service calls for the previous week, as shown in the table.JobNumberProblem/Customer TypeJob
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- Spring '13