You use Statistical Process Control to manage your manufacturing process. If your R-Chart showed the sample ranges incre over time with many of them above the upper control limit, you would conclude that your process is: In control with no natural or assignable variation. O Out of control with assignable variation detected @ Out of control with natural variation detected In control with assignable variation detectedWhich of the following is consistent with six sigma quality philosophy? 1. Monitoring quality by including multiple inspection steps in your process 2. Building quality in at the source using tools like a poka yoke and SPC 3. Continuous improvement and involving your workforce in process improvement (just like with lean manufacturing). O 2 6 3 only 0 1,2 6 3 0 16 3 only O 1& 2 only