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 6:00 R 18:00 13.6 13.9 .8 1.3 2 2 3 a 4 5 5 13.3 1.1 13.5 13.2 14.0 13.0 13.6 120 13.8 13.6 13.0 13.5 13.0 13.6 14.2 15.0 13.0 14.9 13.2 14.6 13.2 13.5 14.7 14.4 14.2 13.1 14.7 13.4 10:00 13.2 13.3 12.3 12.6 13.2 12.2 13.1 12.8 12.3 12.4 12.5 13.0 12.6 12.7 13.0 2.0 13.5 13.2 12.5 13.0 12.4 14:00 12.8 12.6 12.9 13.4 13.4 13.1 12.5 13.3 13.4 13.5 12.6 12.8 13.6 12.5 13.9 12.7 13.2 123 12.3 13.7 13.6 13.1 13.7 12.6 14.0 12.4 17 13.6 14.0 12.2 12.9 13.0 22:00 13.4 13.3 12.3 12.3 12.1 1200 13.8 12.1 12.6 13.5 13.4 13.4 12.7 12.8 12.0 14.0 12.0 13.0 13.3 13.3 14.0 x bar 13.3 13.3 13.0 12.8 12.9 13.0 13.0 13.1 13.2 13.2 12.9 13.3 13.3 12.8 14.0 1.7 1.5 1.6 1.6 1.0 1.2 1.3 1.1 1.5 2.6 1.6 1.9 1.3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 13.3 12.1 12.6 13.6 1.7 5 13.3 13.1 13.0 1.2 13.8 12.8 12.3 13.5 12.1 13.0 13.8 12.4 12.0 12.6 13.6 14.0 2.1 2.3 13.3 13.0 13.5 12.6 12.6 12.6 12.9 12.7 12.7 12.0 13.5 12.5 Sum Grand Mean 13.6 13.3 13.1 13.1 13.1 12.8 328.14 13.13 1.6 1.1 2.7 1.5 37.80 1.51 Data Points X Chart 13.13 R Chart 1.51 Central line Lower control limit (LCL) Upper control limit (UCL)