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Ансар 3
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тест
тест
environ.
试验
math.
特定检验
F-тест
math.
F 检验
stat.
方差比率检验
;
F检验
T - тест
math.
T 检验
stat.
T检验
t - тест
math.
t 检验
;
" 学生 " t 检验
- only individual words found
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