SPIFAN Nutrients ERP Book_9-29-15
Carn-06 (Choline Validation Report) FOR ERP USE ONLY DO NOT DISTRIBUTE
49 ≤ 11 1 Therefore no difference between the values has been demonstrated on a 95% confidence level. To compare our results with data on 1849A and 1845A published at the 2 nd. Vita- min conference in Copenhagen 2 the data has been evaluated with at t-test (un- equal sample size, equal variance).
where
Using the zero hypotheses that no difference between the two data sets is ob- served.
Sample: NIST SRM 1845A Matrix: Whole Egg powder. Species Result
n Reference value n Comment choline ion 14762 ± 214 mg/kg 9 14709 ± 326 mg/kg 20 Under certification
At 27 degrees of freedom the t value of 2,0518 is critical for α=0,05
53 ≤ 244,8 Therefor no difference between the results has been demonstrated on a 95% confidence level.
2 Data presented at the 2 nd. International vitamin conference in Copenhagen 2012.
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