Question

3) A supply chain engineering group monitors shipments of materials through the company distribution network. Errors on either the delivered material or the accompanying documentation are tracked on a weekly basis. Fifty randomly selected shipments are examined and the errors recorded. Data for twenty weeks are shown in Table. Set up a u control chart to monitor this process. Sample Number (week),i Sample Size, a Total Number of Errors Nonconformities!, Xy 50 50 50 50 50 5) 50 20

Answer 1