1. A quality inspector took five samples, each with four observations, of the length of time (in minutes) for glue to dry. The analyst computed the mean of each sample as 12.75, 11.58, 13.08, 12.42, and 10.86. Use this information and alpha risk of 0.02 to obtain control limits for means of future times. It is known from previous experience that the standard deviation of the process is 1.33 minute.
2. What are the main competitors of the company Toyota ( 2018) and what is the main strength in each companies? Who do they have to fear? What are the recommended solution for Toyota in order to be able to compete with their other main competitors?