Tuff Tire Company produces low-cost tires that automobile manufacturer put on new cars. It produces a total of 10,000 tires each week at its three production facilities located in Detroit, Los Angeles, and San Antonio. Although its tire are low-cost, it is concerned about quality since automobile manufacturers don't want to spend much on tires for new cars but are concerned that the tires last a while.
1) What sort of sampling should Tuff Tire do to maintain quality?
2) Are there other quality control measures it should consider?
1) It would be impossible due to time and money to actually sample every single tire produced, since they produce a very large scale of tires each week. The best bet would be to pull out a random sample of 100 tires from each lot produced. Often, if there is a defect in one tire, then it can be assumed that the entire lot has a defect. It is worthwhile for reputation ...
This postings examines quality control measures in terms of a tire manufacturing company as well as sampling to maintain quality.