QUESTION 2 2.1 A new even has just been installed at Thuthuka Bakery. To devckp experience regarding the even temperature, an inspector reads the temperature at for different places inside the even each half hour Reading Time 8:00 AM 8:30 AM 9:00 AM 9:30 AM 10:00 AM 10:30 AM P13 - 40 54 2 SO 42 45 39 55 38 37 41 26 39 4 39 38 43 41 41 40 12 39 37 39 SOO 40 On the basis of the initial experience, determine the grand mean and the control limits cely for the mean temperature b) Determine the control limits only for the range chart (5) 2.2 A manufacturer of speciality machine tools performs final inspective on finished pieces for sach nonconformities as hurring, rough finish, improper sizing and correct theating. The finished pieces are inspected in lots of 100. The following table peesents the number of defective pieces found in 15 consecutive lots of tools. Lot Number Number Nonconforming 1 17 2 12 3 8 4 12 5 9 6 14 7 6 15 9 13 10 8 11 10 12 13 13 14 14 10 15 16 (4) Determine the centre lines and control limits cely for the ap chart b) Determine the centre lines and controllimits only for the past c) Explain why the process is cither in statistical control or out of statistical control (4) (2)