2012.20 Choline MLT

2012.20 CHOLINE MLT

VFJL091 YATV077

FOR ERP USE ONLY

DO NOT DISTRIBUTE

AOAC International Interlaboratory Study Workbook

Version:

2.1

Blind (Unpaired) Replicates

Study Reported Values

Seq.

Item

Symbol

Value

Study name:

Choline 2012-20 MLT

Study date:

2015-2016

Sample ID:

LKAU043&YATV077

1 Total number of laboratories

2 Total number of replicates

Sum(n(L))

3 Overall mean of all data (grand mean)

XBARBAR

55.4682

4 Repeatability standard deviation

s(r)

1.4828

5 Reproducibility standard deviation

s(R)

2.8207

6 Repeatability relative standard deviation

RSD(r)

2.67

7 Reproducibility relative standard deviation

RSD(R)

5.09

8 HORRAT value

0.82