ГО С Т Р 50779.25— 2005
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Рисунок 12.1 — Двусторонний критерий сравнения дисперсии с заданным значением (риск первого рода а = 0.01)
Гипотеза= of :
- для альтернативы а, > а2 . ). = <т,/<т2 ;
- для альтернативы о, < о2 , >.= о2/о, .
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