separate-variance
Polish translation: nierówne wariancji
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| 10:08 Mar 24, 2015 |
| English to Polish translations [PRO] Science - Mathematics & Statistics | |||||||
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|  Selected response from: DLyons Ireland Local time: 01:20 | ||||||
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| 3 +1 | nierówne wariancji |
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Answers
10 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1nierówne wariancji Explanation: It's a test for the variances being unequal (statistically significant difference). "An unequal variance (separate variance) t-test is used when the number of subjects in the two groups is different AND the variance of the two groups is different." -------------------------------------------------- Note added at 56 mins (2015-03-24 11:04:39 GMT) -------------------------------------------------- Just to clarify, it's a test to be used when pooled variances are not appropriate. -------------------------------------------------- Note added at 1 hr (2015-03-24 11:08:55 GMT) -------------------------------------------------- "... z założeniem równych wariancji oraz test Satterthwaite’a (nierówne wariancje). Przetestuj hipotezę równości wartości oczekiwanej względem dwóch alternatyw:" |
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