Is Quality Control Changing Through Time?

In previous jobs, you've had experiences with quality control, right? Once with some products that were being developed, and once with an audit of sorts. So it we're moving into quality control because, why? Because i want to relate quality control to stationarity. Oll, there's stationary like what you write on. Then thers also station like not moving. Aa, stationary object is on te not moving. Yes. That actually is a pretty good intuition for the statistical meaning. It's a function that is not changing through time. so let's get into quality control.