What can John Bruno do to make sure that the number of cords with defect to go down?
John Bruno owns a factory producing electric cords. John observes that recently the number of cords with defect has increased. He monitors the 3 processing machines for 30 days for 100 cords per observation per machine. The results of John Bruno’s observations are presented in the table below.What can he do to make sure that the number of cords with defect to go down? Data attached.
