Manipulating mortality

An update on John Campbell's analysis of Canadian mortality data and jiggery-pokery by statistical authorities

John Campbell asked me if I could explain what the confidence intervals meant in these Canadian excess deaths charts:

I sent him the response below

These are what are called classical statistical confidence intervals. I  actually wrote a substack article about this very thing a while back:

https://wherearethenumbers.substack.com/p/what-can-we-learn-from-v…