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a ) Maydanozda, klasik y ntem ile C vitamini tayini i in yap lan analizlerin standart sapmas 0 , 9 8 g k g olarak

a) Maydanozda, klasik yntem ile C vitamini tayini iin yaplan analizlerin standart sapmas0,98gkg olarak bulunmutur. Yeni gelitirilen yntem ile yaplan analizlerin standard sapmas0,76gkg olarak bulunmutur. Yeni yntemin, klasik yntemin tekrarlanabilirlii zerine katks olmu mudur? (Fkritik=2,54(%95 gven seviyesinde)
b) Su sertlii tayininde kullanlacak olunan EDTA zeltisi 0,05 M olarak hazrlanyor. Bu EDTA zeltisi,Fe3+zeltisine kar ayarlanyor. Yaplan 6 analiz sonucunda: 0,049; 0,047; 0,045; 0,035; 0,049; 0,046 sonular elde edilmitir. Deney sonularnda pheli deerin ortalamaya katlp katlmayacan karar veriniz.(%95 gven dzeyinde Qkritik deeri: 0,625)
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