26 In a welding shop, a direct time study was done on a welding operation. One inexperienced industrial engineer and one experienced industrial engineer conducted the study simultaneously They agreed precisely on cycle time but their opinion on rating the worker differed. The experienced engineer rated the worker 100% and the other engineer rated the worker 120% They used a 10% allowance. Cycle time (in minutes) Number of times observed 2 10 12 17 16 1 1 1 From the above statement, (a) Determine the standard time using the experienced industrial engineer's worker rating. (5 marks) (b) Find the standard time using the worker rating of inexperienced industrial engineer (5 marks)