Glossary of standardization terms

Standardization fieldNon-metallic materials
Technical committeeBAS/TC 11- Petroleum and petroleum products
Term (EN)Student’s distribution
Definition (EN)distribution of the deviations of the mean values of random sam ples of n values from a normal distribution with mean m expressed as a proportion of the sample standard deviation NOTE It is used to set the confidence limits of the population mean, in particular in cases where the mean has been estimated from small samples. The value of t is obtained from tables giving the number of degrees of freedom and the confidence level according to the equation:
Term (FR)
Definition (FR)
Term (DE)
Definition (DE)
Term (BS)Studentova raspodjela
Definition (BS)raspodjela odstupanja od srednjih vrijednosti slučajnih uzoraka n vrijednosti od normalne raspodjele sa srednjom vrijednošću m, izraženom kao omjer uzorka standardnog odstupanja NAPOMENA Student raspodjela se koristi da se postave granice pouzdanosti srednje vrijednosti populacije, posebno u slučajevima gdje je srednja vrijednost procijenjena iz malih uzoraka. Vrijednost t se dobiva iz tabela koje daju broj stepena
Term (HR)
Definition (HR)
Term (SR)
Definition (SR)
Date2016-03-02
StandardsBAS ISO 1998-6:2002