I don’t even know if the question is well written but this is my doubt: sometimes (in the area of medicine in my case) you can read numbers like “between 30 and 80 percent of the patients have a relapse”.
Isn’t a percentage an average per se?
If I do an experiment with 100 people, shouldn’t I have an exact percentage of people who react in certain way? How can’t I know if they are 30 or 80?
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>If I do an experiment with 100 people, shouldn’t I have an exact percentage of people who react in certain way?
Yes, but then if you do it again with a *different* 100 people, you’ll get a different answer.
>“between 30 and 80 percent of the patients have a relapse”
means that the outcomes for a given group of 100 you happen to pick will land somewhere between 30-80%, which you’re right doesn’t narrow things down very usefully at all.
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