OMB Winter Mtg.-February 5-6, 2015

98

Appendix 1: Worked Example

Table A1 Round  June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11   June11  

Lab 

Attribute 

Method 

Rep1  27.56  25.87  28.18  28.41  28.39  26.17  26.33  27.7  26.94  27.66  25.32  26.96  27.49  26.01  28  28.2  25.93  26.4 

Rep2  27.83   28.53   28.09   28.61   27.47   26.07   24.54   27.1   26.01   26.3   27.04   27.36   25.66   26.88   27.91   27.72   26.13   28  

A   B   C   D   E   F   G   H  

Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat   Fat  

OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF   OF  

I   J  

K   L  

M   N   O   P   Q   R  

The data in Table A1 were simulated based on past performance of fat analysis. Results are reported in units of g / 100 g. There were 18 laboratories participating in the study, and each laboratory provided duplicate results.