I have everything correct other than the Lower Control Limit (LCL) and Upper Control Limit (UCL) for the R-Chart. Below will be what I have correct and what needs filled. I've posted this question and I have commented under to get the person to give me the correct answers but they aren't answering. For the wrong answers, Lower Control Limit (LCL) was 4.02 and Upper Control Limit (UCL) was 0. X-Chart R-Chart

Central Line 13.13 1.90

Lower Control Limit (LCL) 12.03

Upper Control Limit (UCL) 14.23

Construct an X chart-R chart for the following data set. (Leave no cells blank - be certain to enter "O" wherever required. Do not round intermediate calculations. Round your answers to 2 decimal places.) 6:00 13.4 13.0 14:00 13.3 x bar 12.8 12.9 R. 1.4 1.2 13.1 12.0 13.4 13.5 13.0 15.0 13.0 1.7 Sub group No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 14.8 13.3 13.6 13.9 14.9 14.7 15.0 14.8 13.5 15.0 14.4 13.0 14.9 13.5 13.7 13.9 14.0 13.5 14.1 13.2 10:00 12.8 12.9 12.6 12.0 13.0 13.2 13.1 12.2 12.7 12.6 12.2. 12.3 13.1 12.0 12.8 12.2 12.1 12.3 12.9 12.6 13.2 13.0 12.1 13.3 13.5 13.4 12.4 13.1 12.6 13.7 13.7 13.9 13.7 12.9 13.3 12.2 12.4 12.0 13.8 12.4 18:00 22:00 12.0 12.7 13.3 12.1 13.7 12.9 13.1 13.0 12.0 12.8 13.6 13.5 12.3 12.4 13.2 13.9 12.1 13.8 12.6 13.9 12.9 14.0 12.7 12.8 13.9 14.0 13.9 12.5 12.5 12.0 12.4 12.3 12.9 12.4 13.8 13.9 13.8 12.3 12.4 13.7 14.0 12.1 12.5 12.5 13.4 12.3 13.4 Sum Grand Mean 13.3 13.2 13.1 13.1 12.9 13.5 13.5 13.6 13.5 13.2 13.6 12.9 12.4 12.8 13.2 13.1 13.5 12.9 13.4 12.7 13.3 3.0 2.8 1.2 1.3 1.7 2.8 2.1 2.8 2.5 1.1 3.0 2.2 1.0 2.9 1.5 1.5 12.6 13.9 13.2 1.3 12.8 12.7 1.7 1.3 12.5 13.9 12.2 14.2 13.1 2.0 1.4 2.0 47.40 1.90 328.34 13.13 X Chart R Chart Data Points Central line Lower control limit (LCL) Upper control limit (UCL)