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.) Sub group No 1 2 3 4 5 6 7 8 9 10 11 12 6:00 13.4 13.0 13.0 15.0 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 14.2 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 14:00 13.3 13.1 12.0 13.4 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 13.9 12.8 12.7 12.5 13.9 12.2 13 14 15 18:00 22:00 12.0 12.7 13.3 12.1 13.7 13.5 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 12.6 13.2 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 X bar 12.8 12.9 13.0 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 13.1 328.34 13.13 R 1.4 1.2 1.7 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 1.3 1.7 1.3 2.0 1.4 2.0 47.40 1.90 16 17 18 19 20 21 22 23 24 25 AWNP Data Points X Chart R Chart Central line Lower control limit (LCL) Upper control limit (UCL)