1. ## Vocabulary question

I need to describe a statistical trend. I has to do with a figure that can't go any lower. For example, the number of car accidents supposing all the possible repressive/preventive measures were taken. Would "incompressible margin" be fine? It's meant to be used in creative writing.

2. ## Re: Vocabulary question

not a teacher

I'm sure statisticians already have a term for this, but if you are about to invent one I would suggest that "irreducible margin" might be better. Although I'm not familiar enough with the field to know if "margin" is quite appropriate.

3. ## Re: Vocabulary question

Thank you JMurray. This helps a lot already.

4. ## Re: Vocabulary question

Originally Posted by saxon73
I need to describe a statistical trend. I has to do with a figure that can't go any lower. For example, the number of car accidents supposing all the possible repressive/preventive measures were taken. Would "incompressible margin" be fine? It's meant to be used in creative writing.
Perhaps 'asymptote' would work.
Asymptote - Wikipedia, the free encyclopedia

If you scroll down to the diagram of f(x) = 1/x, [y = 1/x], you'll see that the asymptote on the y axis is 0. The larger x gets, the smaller y gets, but it can never get to 0 until x is infinity.
If you want the asymptote to be a positive number, say 54, then y = 1/x + 54 works. However high the value of x (the preventative measures) gets, y (the number of car accidents) cannot go below 54.

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