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 13 14 15 16 17 18 19 20 21 22 23 24 25 6:00 14.0 12.4 13.4 12.4 12.6 13.9 14.4 14.4 14.5 14.3 14.8 15.0 13.7 14.8 13.5 12.7 15.0 14.4 12.1 15.0 14.8 13.3 14.9 14.3 12.9 10:00 14.0 13.7 15.0 13.9 12.1 13.8 14.1 12.7 12.4 13.1 14.9 12.0 13.6 14.3 12.5 13.5 14.4 13.6 13.1 13.4 13.0 12.3 14.6 12.7 13.6 14:00 13.0 14.4 14.6 13.5 13.5 14.9 14.8 14.0 12.2 12.5 12.2 12.4 14.1 13.6 12.9 13.4 12.2 12.1 14.4 14.1 12.3 12.9 12.5 12.7 12.9 18:00 22:00 14.6 12.0 14.7 12.9 14.8 13.6 14.3 14.8 12.6 14.2 13.1 15.0 13.7 13.3 12.3 12.0 13.6 13.3 14.4 12.7 13.6 13.8 14.6 13.0 13.2 13.0 13.9 14.7 14.3 14.3 12.8 12.2 14.5 13.7 14.4 13.9 13.3 13.1 14.1 14.5 14.6 13.4 14.3 12.6 14.3 12.1 13.0 13.3 14.4 12.6 Sum Grand Mean x bar 13.5 13.6 14.3 13.8 12.8 14.1 14.1 13.1 13.2 13.4 13.9 13.4 13.5 14.3 13.5 12.9 14.0 3.7 13.2 14.2 13.6 13.1 13.7 13.2 13.3 339.22 13.57 R 2.6 2.3 1.6 2.4 2.1 1.9 1.5 2.4 2.3 1.9 2.7 3.0 1.1 1.2 1.8 1.3 2.8 2.3 2.3 1.6 2.5 2.0 2.8 1.6 1.8 51.80 2.07 picture Click here for the Excel Data File Data Points X Chart R Chart Central line Lower control limit (LCL) Upper control limit (UCL)