Testing of industrial products - Aggregates for construction
Data obtained in the cross-testing experiments on the Los Angeles test
Notes.? = straggler (significant at the 5% level). ?? = outlier (significant at the 1% level).
Table 1. Data as reported by the participants
in the European cross-testing experiment
LA units (percentages passing the test sieve)
| Laboratory code | Level 1 | Level 2 | Level 3 |
| letter | number | Test | Test | Test | Test | Test | Test |
| | portion | portion | portion | portion | portion | portion |
| | 1 | 2 | 1 | 2 | 1 | 2 |
| A | 83 | 8.1 | 8.5 | 18.9 | 20.3 | 26.9 ?? | 34.7 ?? |
|---|
| B |
71 | 8.6 | 7.8 | 18.6 | 20.0 | 33.4 ? | 35.2 ? |
|---|
| C |
181 | 8.0 | --- | 20.3 | --- | 33.6 | --- |
|---|
| D |
72 | 8.9 | 8.8 | 20.8 | 20.9 | 33.6 | 33.2 |
|---|
| E |
144 | 7.1 | 7.3 | 20.4 | 20.7 | 35.3 | 35.7 |
|---|
| F |
89 | 7.5 | 7.6 | 19.6 | 20.0 | 35.2 ? | 37.1 ? |
|---|
| G |
177 | 8.8 | 8.6 | 21.0 | 20.4 | 34.6 | 34.8 |
|---|
| H |
186 | 8.1 | 8.6 | 19.9 | 20.1 | 36.7 | 37.0 |
|---|
| I |
151 | 8.5 | 8.3 | 21.1 | 21.2 | 36.6 | 36.5 |
|---|
| J |
117 | 8.3 | 8.1 | 22.3 | 22.1 | 36.4 | 36.1 |
|---|
| K |
105 | 8.7 | 8.5 | 22.4 | 21.8 | 35.5 ? | 37.4 ? |
|---|
| L |
160 | 8.5 | 8.1 | 21.8 | 19.9 | 37.8 | 38.5 |
|---|
| M |
188 | 8.8 | 8.9 | 21.4 | 21.2 | 37.2 | 37.2 |
|---|
| N |
141 | 9.1 | 8.7 | 21.7 | 21.6 | 37.3 | 37.0 |
|---|
| O |
173 | 8.1 | --- | 21.6 | --- | 38.1 | --- |
|---|
| P |
62 | 8.0 | 7.8 | 22.4 | 21.7 | 38.1 | 37.6 |
|---|
| Q |
7 | 7.4 | 7.6 | 22.3 | 22.5 | 38.0 | 37.9 |
|---|
| R |
191 | 8.9 | 8.9 | 22.3 | 22.5 | 36.5 | 36.7 |
|---|
| S |
13 | 8.3 | 7.9 | 21.9 | 21.9 | 38.2 | 38.6 |
|---|
| T |
26 | 7.9 | 7.6 | 20.1 | 19.7 | 40.4 | 41.6 |
|---|
| U |
183 | 8.4 | 8.4 | 23.6 | 23.1 | 37.3 | 36.9 |
|---|
| V |
171 | 8.1 | 8.5 | 22.7 | 22.8 | 38.3 | 38.9 |
|---|
| W |
78 | 8.6 | --- | 24.1 | --- | 37.0 | --- |
|---|
| X |
158 | 8.3 | 8.5 | 21.6 | 22.5 | 37.4 ?? | 42.3 ?? |
|---|
| Y |
196 | 8.3 | 8.1 | 22.5 | 23.1 | 40.1 | --- |
|---|
| Z |
22 | 8.3 | 8.5 | 23.2 | 23.2 | 40.2 | 40.5 |
|---|
| a |
122 | 8.7 | 8.6 | 23.6 | 23.1 | 41.6 | 41.2 |
|---|
| b |
77 | 8.6 | 8.4 | 24.4 | 23.5 | 43.0 | 42.6 |
|---|
| Average |
8.3 | 21.6 | 37.3 | |
|---|
Table 2. Data as reported by the participants
in the French cross-testing experiment
LA units (percentages passing the test sieve)
| Laboratory code |
Level 1 | Level 2 | Level 3 |
|---|
| letter | number |
Test | Test | Test | Test | Test | Test |
|---|
|
| portion | portion | portion | portion | portion | portion |
|---|
|
| 1 | 2 | 1 | 2 | 1 | 2 |
|---|
| A |
1 | 7.0 | 7.0 | 19.0 | 18.0 | 34.0 | 34.0 |
|---|
| B |
21 | 7.5 | 7.1 | 18.2 | 18.8 | 35.8 | 34.8 |
|---|
| C |
8 | 7.2 | 7.4 | 19.0 | 19.9 | 33.7 ? | 36.0 ? |
|---|
| D |
25 | 6.9 | 7.0 | 19.0 | 19.7 | 36.2 | 36.7 |
|---|
| E |
33 | 8.9 | 8.8 | 19.8 | 19.9 | 34.6 | 34.2 |
|---|
| F |
4 | 8.0 ? | 7.0 ? | 21.0 | 21.0 | 35.0 | 35.0 |
|---|
| G |
35 | 7.1 | 7.4 | 21.0 | 20.8 | 35.8 | 35.2 |
|---|
| H |
27 | 7.5 | 7.5 | 20.5 | 21.0 | 36.2 | 35.8 |
|---|
| I |
36 | 8.3 | 8.2 | 20.3 | 20.3 | 37.1 | 35.9 |
|---|
| J |
6 | 9.0 | 9.2 | 21.5 | 21.8 | 34.4 | 34.7 |
|---|
| K |
15 | 8.1 ? | 9.0 ? | 21.9 | 21.7 | 34.9 | 35.0 |
|---|
| L |
30 | 8.0 ? | 7.0 ? | 21.0 | 21.0 | 37.0 | 37.0 |
|---|
| M |
34 | 8.3 | 7.7 | 22.0 | 21.3 | 35.8 | 36.4 |
|---|
| N |
12 | 7.8 | 7.9 | 20.8 | 20.6 | 37.0 | 37.6 |
|---|
| O |
39 | 8.0 | 8.0 | 21.0 | 22.0 | 36.0 | 37.0 |
|---|
| P |
9 | 9.0 ? | 8.0 ? | 21.0 | 21.0 | 36.0 | 37.0 |
|---|
| Q |
40 | 7.6 | --- | 19.7 | --- | 39.1 | --- |
|---|
| R |
16 | 7.9 | 7.8 | 22.0 | 22.0 | 36.9 | 36.2 |
|---|
| S |
38 | 7.8 | 7.9 | 21.1 | 21.0 | 37.8 | 38.5 |
|---|
| T |
10 | 8.2 | 8.4 | 21.0 | 21.4 | 38.4 | 37.7 |
|---|
| U |
29 | 8.4 | 8.6 | 20.9 | 21.4 | 38.2 | 37.9 |
|---|
| V |
2 | 8.3 | 8.4 | 22.1 | 21.5 | 37.5 | 37.7 |
|---|
| W |
7 | 7.4 | 7.6 | 22.3 | 22.5 | 38.0 | 37.9 |
|---|
| X |
37 | 8.0 | 8.4 | 22.0 | 21.9 | 38.3 | 38.2 |
|---|
| Y |
13 | 8.3 | 7.9 | 21.9 | 21.9 | 38.2 | 38.6 |
|---|
| Z |
26 | 7.9 | 7.6 | 20.1 | 19.7 | 40.4 | 41.6 |
|---|
| a |
17 | 9.0 | --- | 22.0 | --- | 38.0 | --- |
|---|
| b |
5 | 8.9 | 8.9 | 22.4 | 22.6 | 38.4 | 37.9 |
|---|
| c |
11 | 8.3 | --- | 23.4 | --- | 39.1 | --- |
|---|
| d |
22 | 8.3 | 8.5 | 23.2 | 23.2 | 40.2 | 40.5 |
|---|
| e |
3 | 8.6 | 8.8 | 24.5 | 23.7 | 40.7 | 40.5 |
|---|
| f |
32 | 8.1 | 8.3 | 23.1 | 23.5 | 43.3 | 42.5 |
|---|
| G |
23 | 9.3 | 9.3 | 26.5 ? | 26.0 ? | 39.8 | 39.1 |
|---|
| Average | 8.1 | 21.4 | 37.4 | |
|---|