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test dla dwóch średnich (test istotności dla dwóch średnich)

English translation: a two-sample location test

22:35 Jan 7, 2016
Polish to English translations [PRO]
Science - Mathematics & Statistics
Polish term or phrase: test dla dwóch średnich (test istotności dla dwóch średnich)
Jest to fragment paragrafu opisującego statystyczne aspekty badania naukowego - poniżej we fragmencie tekstu - z góry bardzo dziękuję za pomoc.

"W celu sprawdzenia postawionych hipotez badawczych zastosowano 2 testy parametryczne: test dla współczynnika korelacji Pearsona – dla sprawdzenia istotności zależności oraz test dla dwóch średnich – dla sprawdzenia istotności różnic średnich pomiędzy badanymi grupami (test t_Studenta). "
Iwona Gandor
Local time: 00:30
English translation:a two-sample location test
Explanation:
Alternatywna terminologia, ale znaczenie tożsame z pozostałymi odpowiedziami.
Uszczegóławiając, jest to "two-sample t-test"; może być "unpaired" lub "paired", ale tego już niestety podany kontekst nie precyzuje.
Selected response from:

Remolek
Poland
Local time: 00:30
Grading comment
Selected automatically based on peer agreement.
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +2significance test for comparing two means
Tomasz Poplawski
4 +2a two-sample location test
Remolek
4A Student t-test to ...
DLyons
2 +1test of significance between two means
geopiet


  

Answers


10 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
significance test for comparing two means


Explanation:
https://www.google.com/#q="significance test for comparing t...

Jest kilka drobnych wariacji, ale w badaniach, które tłumaczyłem EN>PL ta forma pojawiała się wiele razy

Tomasz Poplawski
Local time: 17:30
Native speaker of: Polish
Notes to answerer
Asker: dziękuję :-)


Peer comments on this answer (and responses from the answerer)
agree  Frank Szmulowicz, Ph. D.
17 mins
  -> Dzięki, dzięki
agree  Remolek
3 hrs
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2 hrs   confidence: Answerer confidence 2/5Answerer confidence 2/5 peer agreement (net): +1
test of significance between two means


Explanation:
The t-distribution is the resulting probability distribution with a small sample population. This distribution is the basis for the t-test, in order to find the statistical significance between two means of data. - https://controls.engin.umich.edu/wiki/index.php/Comparisons_...

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Using confidence intervals around individual means to assess statistical significance between two means - http://onlinelibrary.wiley.com/doi/10.1002/pst.126/abstract

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Could that have been done and had we a table showing precise values and frequencies of occurrence of each, the t-test for the significance between two means could be applied. - https://sora.unm.edu/sites/default/files/journals/condor/v04... - page 2

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- How to use t-test of significance of difference between two means? - http://www.prashantpuaar.com/t-test-of-significance-of-diffe...

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The t-test is essentially a test of significance between two given means. - https://goo.gl/2MFZNI

geopiet
Native speaker of: Native in PolishPolish
PRO pts in category: 20
Notes to answerer
Asker: dziękuję :)


Peer comments on this answer (and responses from the answerer)
agree  Frank Szmulowicz, Ph. D.
1 hr
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3 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
a two-sample location test


Explanation:
Alternatywna terminologia, ale znaczenie tożsame z pozostałymi odpowiedziami.
Uszczegóławiając, jest to "two-sample t-test"; może być "unpaired" lub "paired", ale tego już niestety podany kontekst nie precyzuje.

Example sentence(s):
  • Among the most frequently used t-tests are: A two-sample location test of the null hypothesis such that the means of two populations are equal.
  • Two-sample t-tests for a difference in mean involve independent samples or unpaired samples.

    https://en.wikipedia.org/wiki/Student%27s_t-test#Unpaired_and_paired_two-sample_t-tests
    Reference: http://reference.wolfram.com/language/ref/LocationTest.html
Remolek
Poland
Local time: 00:30
Works in field
Native speaker of: Native in PolishPolish
PRO pts in category: 20
Grading comment
Selected automatically based on peer agreement.
Notes to answerer
Asker: dziękuję :)


Peer comments on this answer (and responses from the answerer)
agree  Frank Szmulowicz, Ph. D.
26 mins
  -> Dziękuję.
agree  M.A.B.: Zgadzam się.
8 hrs
  -> Dziękuję.
Login to enter a peer comment (or grade)

22 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
A Student t-test to ...


Explanation:
I'd rephrase the sentence slightly as "A Student t-test to assess the statistical significance of the difference between the two group means."

Using an apostrophe in "Student's" always feels a little pedantic :-)

DLyons
Ireland
Local time: 23:30
Specializes in field
Native speaker of: English
PRO pts in category: 139
Notes to answerer
Asker: Thank you, I was thinking of it - do you think this is a variation os the Student-t test?

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