32 / 124
2012.20 MLT
LARU224 GLVC238 Remove Lab 10
FOR ERP USE ONLY
DO NOT DISTRIBUTE
AOAC International Interlaboratory Study Workbook
Version:
2.1
Blind (Unpaired) Replicates
Calculations Sheet
Choline 2012-20
Summary
Statistics
0.0450 Largest within variance
0.82124 S(2H)
6.2000 Largest average lab result
6.2000 Max Val(1)
2.2500 Smallest average lab result
4.6950 Max Val(2)
3.8330 Grand average of all lab averages
0.9791 S(2L)
1.17237 s
2.2500 Min Val(1)
0.87642 S(h)
2.4100 Min Val(2)
1.09463 S(l)
0.7732 S(HL)
6.2
6.2000 Max Val
2.25
2.2500 Min Val
10 # Laboratories
Lab
# Lab
Replicates
given
Sum of
Lab
Results
Average
Lab
Result
Average
Lab
Result^2 Results^2
Sum of
Results^2/#Rep
s
DEVN of Sq
Variance
within DEVN of Sq
Average
Lab
Result^2
1
2 8.0600 4.0300 16.2409
32.4826
32.4818 0.0008 0.0008 0.0008 Lab 1
4.0300 Lab 1
2
2 9.3900 4.6950 22.0430
44.0901
44.0861 0
.0040 0.0040 0.0040
Lab 2
4.6950 Lab 2
3
2 5.6200 2.8100 7.8961
15.8020
15.7922 0
.0098 0.0098 0.0098
Lab 3
2.8100 Lab 3
4
2 7.5900 3.7950 14.4020
28.8153
28.8041 0.0113 0.0113 0.0113 Lab 4
3.7950 Lab 4
5
2 4.8200 2.4100 5.8081
11.6212
11.6162 0.0050 0.0050 0.0050 Lab 5
2.4100 Lab 5
6
2 8.2300 4.1150 16.9332
33.8705
33.8665 0
.0041 0.0041 0.0041
Lab 6
4.1150 Lab 6
7
2 7.3000 3.6500 13.3225
26.6900
26.6450 0.0450 0.0450 0.0450 Lab 7
3.6500 Lab 7
8
2 8.7500 4.3750 19.1406
38.2873
38.2813 0
.0061 0.0061 0.0061
Lab 8
4.3750 Lab 8
9
2 12.4000 6.2000 38.4400
76.8800
76.8800 0.0000 0.0000 0.0000 Lab 9
6.2000 Lab 9
10
Lab 10
Lab 10
11
2 4.5000 2.2500 5.0625
10.1300
10.1250 0.0050 0.0050 0.0050 Lab 11
2.2500 Lab 11
12
Lab 12
Lab 12
13
Lab 13
Lab 13
14
Lab 14
Lab 14
15
Lab 15
Lab 15
16
Lab 16
Lab 16
17
Lab 17
Lab 17
18
Lab 18
Lab 18
19
Lab 19
Lab 19
20
Lab 20
Lab 20
21
Lab 21
Lab 21
22
Lab 22
Lab 22
23
Lab 23
Lab 23
24
Lab 24
Lab 24
25
Lab 25
Lab 25
26
Lab 26
Lab 26
27
Lab 27
Lab 27
28
Lab 28
Lab 28
29
Lab 29
Lab 29
30
Lab 30
Lab 30
31
Lab 31
Lab 31
32
Lab 32
Lab 32
33
Lab 33
Lab 33
34
Lab 34
Lab 34
35
Lab 35
Lab 35
36
Lab 36
Lab 36
37
Lab 37
Lab 37
38
Lab 38
Lab 38
39
Lab 39
Lab 39
40
Lab 40
Lab 40
41
Lab 41
Lab 41
42
Lab 42
Lab 42
43
Lab 43
Lab 43
44
Lab 44
Lab 44
45
Lab 45
Lab 45
46
Lab 46
Lab 46
47
Lab 47
Lab 47
48
Lab 48
Lab 48
49
Lab 49
Lab 49