1. Luggage weighing scales are subjected to rigorous testing before they are shipped to airport check-in counters around the world. Results from weighing the last five luggage samples are shown in the table. Calculate control limits for a chart that will monitor performance to target. Sample 1 Sample 2 Sample 3 1 73.5 70.8 72.2 Sample 4 73.6 Sample 5 71.0 2 71.3 71.0 73.1 72.7 72.2 3 70.0 72.6 71.9 72.4 73.3 4 71.1 70.6 70.3 74.2 73.6 5 70.8 70.7 70.7 73.5 71.1 The correct control limits are: LCL UCL