2023-Winter Final Exami 6 Saved This question will be sent to your instructor for grading. Help Save & Exit Submit Four samples of three observations each have been taken, with actual measurements (in centimetres) shown below. Construct three sigma mean and range charts and determine if corrective action is needed. Sample 1 2 3 4 01:54:15 12.3 11.9 12.0 12.1 12.2 12.2 12.2 11.8 12.1 12.2 11.8 11.8 Short Answer Toolbar navigation BIUS A