2012.20 Choline MLT

2012.20 CHOLINE MLT

YKLP059 ZNPI092

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:

YKLP059&ZNPI092

1 Total number of laboratories

2 Total number of replicates

Sum(n(L))

3 Overall mean of all data (grand mean)

XBARBAR

17.2591

4 Repeatability standard deviation

s(r)

0.6892

5 Reproducibility standard deviation

s(R)

2.3091

6 Repeatability relative standard deviation

RSD(r)

3.99

7 Reproducibility relative standard deviation

RSD(R)

13.38

8 HORRAT value

1.82