2017.03 Amino Acids (Tryptophan) - Amino-02

2017.03 (JULY 2018) Amino-02 AOAC_TRP_MLT_- AOAC_BlindDup_410457651Z

FOR ERP USE ONLY DO NOT DISTRIBUTE

AOAC International Interlaboratory Study Workbook

Version:

2.1

Blind (Unpaired) Replicates Calculations Sheet

AOAC 2017.03 Determination of L-Tryptophan

Summary Statistics

2.3774 Largest within variance 20.7418 Largest average lab result 15.4464 Smallest average lab result 17.9239 Grand average of all lab averages

1.20934 S(2H)

20.7418 Max Val(1) 20.1865 Max Val(2) 15.4464 Min Val(1) 15.8604 Min Val(2) 1.3326 S(HL) 20.7418 Max Val 15.4464 Min Val 1.3914 S(2L)

1.71674 s

1.48751 S(h) 1.56944 S(l)

20.741841 15.446425

10 # Laboratories

Average Lab Result^2

Average Lab Result^2 Results^2

Average Lab Result

Sum of Lab Results

# Lab Replicates given

Sum of Results^2/#Reps DEVN of Sq

Variance within DEVN of Sq

Lab

1 2 3 4 5 6 7 8 9

2 36.2357 18.1178 328.2563 2 30.8928 15.4464 238.5920 2 35.2808 17.6404 311.1830 2 36.5663 18.2832 334.2736 2 33.4022 16.7011 278.9268 2 41.4837 20.7418 430.2240 2 31.7207 15.8604 251.5514 2 37.8363 18.9182 357.8969 2 34.6856 17.3428 300.7727 2 40.3730 20.1865 407.4955

656.5554 477.3655 622.3731 668.5487 557.9996 861.7026 505.4802 715.8132 601.5566 815.2013

656.5126 477.1841 622.3660 668.5472 557.8536 860.4480 503.1027 715.7938 601.5454 814.9910

0.0428 0.0428 0.1814 0.1814 0.0071 0.0071 0.0015 0.0015 0.1461 0.1461 1.2546 1.2546 2.3774 2.3774 0.0194 0.0194 0.0112 0.0112 0.2103 0.2103

0.0428 Lab 1 0.1814 Lab 2 0.0071 Lab 3 0.0015 Lab 4 0.1461 Lab 5 1.2546 Lab 6 2.3774 Lab 7 0.0194 Lab 8 0.0112 Lab 9

18.1178 Lab 1 15.4464 Lab 2 17.6404 Lab 3 18.2832 Lab 4 16.7011 Lab 5 20.7418 Lab 6 15.8604 Lab 7 18.9182 Lab 8 17.3428 Lab 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

0.2103 Lab 10 20.1865 Lab 10

Lab 11 Lab 12 Lab 13 Lab 14 Lab 15 Lab 16 Lab 17 Lab 18 Lab 19 Lab 20 Lab 21 Lab 22 Lab 23 Lab 24 Lab 25 Lab 26 Lab 27 Lab 28 Lab 29 Lab 30 Lab 31 Lab 32 Lab 33 Lab 34 Lab 35 Lab 36 Lab 37 Lab 38 Lab 39 Lab 40 Lab 41 Lab 42 Lab 43 Lab 44 Lab 45 Lab 46 Lab 47 Lab 48 Lab 49

Lab 11 Lab 12 Lab 13 Lab 14 Lab 15 Lab 16 Lab 17 Lab 18 Lab 19 Lab 20 Lab 21 Lab 22 Lab 23 Lab 24 Lab 25 Lab 26 Lab 27 Lab 28 Lab 29 Lab 30 Lab 31 Lab 32 Lab 33 Lab 34 Lab 35 Lab 36 Lab 37 Lab 38 Lab 39 Lab 40 Lab 41 Lab 42 Lab 43 Lab 44 Lab 45 Lab 46 Lab 47 Lab 48 Lab 49