PLEASE JUST ANSWER QUESTION 6,7,8,9

McDuffy Enterprises is experiencing problems with its production of McDuffins and decides to start sampling and analyze using Statistical Process Control, data has been collected daily. Answer the following questions: 1. What is the X Bar-Bar (2 marks)? 2. What is the R Bar (2 marks)? 3. What is the UCLX (2 marks)? 4. What is the LCLX (2 marks)? 5. What is the UCLr (2 marks)? 6. What is the process potential (Cp) (2 marks)? 7. What is the process performance (Cpk) if the USL is 158 and the LSL is 132 (2 marks)? 8. Is the process capable (1 marks)? 9. Is the process in or out of control (2 marks)? You may have to use your calculations to draw a Control Chart to answer the final question; there is no requirement to upload your chart, just answer in or out of control. for sample size is the number of observations for the sample N = 5 Mon Apr 1 Tue Wed Apr 2 Apr 3 2 3 Thu Apr 4 Fri Apr 5 5 Sat Sun Mon Apr 6 Apr 7 Apr 8 7 8 Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Apr 9 Apr 10 Apr 11 Apr 12 Apr 13 Apr 14 Apr 15 Apr 16 Apr 17 Apr 18 Apr 19 Apr 20 Apr 21 Apr 22 Apr 23 Apr 24 Apr 25 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Sample 1 4 6 Observation 1 Observation 2 Observation 3 Observation 4 Observation 5 X Bar 144.0 124.0 155.0 154.0 145.0 130.0 140.0 132.0 132.0 160.0 138.0 157.0 137.0 148.0 157.0 124.0 149.0 154.0 153.0 141.0 151.0 134.0 125.0 153.0 152.0 133.0 155.0 126.0 132.0 159.0 147.0 128.0 149.0 145.0 124.0 143.0 159.0 134.0 152.0 124.0 139.0 125.0 141.0 144.0 133.0 152.0 157.0 128.0 141.0 139.0 135.0 156.0 149.0 126.0 142.0 141.0 160.0 131.0 132.0 128.0 155.0 132.0 139.0 155.0 129.0 137.0 144.0 124.0 150.0 129.0 139.0 149.0 135.0 141.0 149.0 141.0 154.0 146.0 127.0 154.0 133.0 132.0 143.0 135.0 126.0 135.0 156.0 136.0 147.0 144.0 150.0 143.0 156.0 141.0 128.0 128.0 133.0 153.0 150.0 142.0 153.0 137.0 152.0 139.0 149.0 129.0 128.0 126.0 134.0 148.0 155.0 133.0 152.0 155.0 139.0 147.0 128.0 142.0 159.0 137.0 153.0 137.0 146.0 131.0 147.0 141 145 146 136 150 136 138 136 136 137 145 147 140 151 139 139 138 143 149 134 145 142 137 143 146 141.6 X Bar Bar Range 28.0 17.0 18.0 32.0 23.0 13.0 36.0 20.0 27.0 18.0 8.0 33.0 26.0 24.0 32.0 18.0 13.0 25.0 23.0 28.0 22.0 13.0 20.0 32.0 26.0 23.0 R bar UCLX 154.8 128.3 LCLX JF