From the course: Process Improvement Foundations
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Using statistical process control (SPC)
From the course: Process Improvement Foundations
Using statistical process control (SPC)
- Statistical process control, or SPC, is sometimes taught containing quite a lot of maths. But actually, the principles behind it are simple, and very useful to understand, so let's have a look at them without any maths. First, the idea of process control. If you inspect things after you've made them, or, if you're providing a service, the inspection would be after you've finished the work, like how well a room is cleaned, or how well a meal is cooked, then it's already too late. I suppose you can learn for next time, and do things better as a result of the inspection, but it's not really as good as controlling the processes. Knowing that your oven is the right temperature and the turkey is in there for the right amount of time is much better than going, "Oh dear, the turkey is burned." So the idea is that we know the temperature and the time, and we make sure we get that right every time. We might even experiment with a…
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