a. You are chartered to set a time standard for a worker assembling 96 piece jigsaw puzzles. The following times have been collected from five different operators with one observation per operator. The times and ratings for the job are
Operator Time (in minutes) Rating
1 9 120
2 11.1 100
3 12 95
4 10.9 100
5 12.3 85
What is the normal time for this job? What is the standard time for this job with the assumption of a 20% allowance for personal, fatigue and delay? What are the value judgments you must make for the standard to be useful and implementable?