May 16, 2019 06:54
4 yrs ago
Czech term

parametrický t-test, neparametrický t-test

Czech to English Medical Mathematics & Statistics
This appears in the key to a table (comparison of paired groups):

*parametrický t-test, **neparametrický t-test, ***chí-kvadrát test nezávislosti…

This may be a rather basic question, but is it possible to talk about a 'nonparametric t-test'? Or is a t-test by definition parametric?
(This also underlies the question I posted yesterday).

Proposed translations

55 mins
Selected

parametric t-test, non-parametric t-test

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Note added at 58 min (2019-05-16 07:53:13 GMT)
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Re. to https://en.wikipedia.org/wiki/Student's_t-test

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Note added at 1 h (2019-05-16 08:39:00 GMT)
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Both tests have to be almost interchangeable in certain situations. When speaking of both of them in a sentence or paragraph, you have to distinguish between them in an abbreviated form. And, IMO, that's all.
Note from asker:
In your link, I find "a non-parametric alternative to the t-test". Doesn't this imply that a t-test has to be parametric?
Peer comment(s):

neutral Sarka Lhotak : IMO, t-test has to be parametric. However, this is a problem of the author of the source, may be they used the "non-parametric alternative"?
6 hrs
I fully agree, this is the same view expressed in another way.
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3 KudoZ points awarded for this answer. Comment: "Thank you. My difficulty here was that I couldn't find any references in English to 'non-parametric t-tests'. But I suppose statisticians know what they're talking about!"
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