U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
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| This report is an archived publication and may contain dated technical, contact, and link information |
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Publication Number: FHWA-RD-03-040 Date: July 2002 |
| Mean | Standard Deviation | bin | bin | Frequency | Expected Normal | Field Observations | |
|---|---|---|---|---|---|---|---|
| 65.48582 | 6.959354666 | 50 |
50 |
1 |
46 - 50 |
0.716899032 |
1 |
| 1663.34 | 176.7676085 | 55 |
55 |
2 |
51 - 55 |
2.90984998 |
2 |
60 |
60 |
6 |
56 - 60 |
8.213138758 |
6 |
||
65 |
65 |
17 |
61 - 65 |
14.12963799 |
17 |
||
70 |
70 |
13 |
66 - 70 |
14.82494145 |
13 |
||
75 |
75 |
12 |
71 - 75 |
9.486755134 |
12 |
||
80 |
80 |
3 |
76 - 80 |
3.70078331 |
3 |
||
| More | More | 1 | More | 1.017994351 |
1 |
||
55 |
53.98200565 |
55 |
| Mean | Standard Deviation | index | bin | bin | Frequency | Expected Normal | Field Observations | |
|---|---|---|---|---|---|---|---|---|
199.517 |
7.618923653 |
1 |
181 |
181 |
1 |
177 - 181 |
0.452470252 |
1 |
5067.7318 |
193.5206608 |
2 |
186 |
186 |
3 |
182 - 186 |
1.828750939 |
3 |
3 |
191 |
191 |
3 |
187 - 191 |
5.627400247 |
3 |
||
4 |
196 |
196 |
13 |
192 - 196 |
11.42212919 |
13 |
||
5 |
201 |
201 |
19 |
197 - 201 |
15.29916715 |
19 |
||
6 |
206 |
206 |
10 |
202 - 206 |
13.5254647 |
10 |
||
7 |
211 |
211 |
7 |
207 - 211 |
7.891590078 |
7 |
||
8 |
216 |
216 |
4 |
212 - 216 |
3.037784637 |
4 |
||
8 |
More |
More |
0 |
More |
0.771028733 |
0 |
||
60 |
56.04697256 |
60 |
Figure 3: Example of Normally distributed Thickness deviations.
| (-44.5) - (-38.1) | 0 |
| (-38.1) - (-31.8) | 0 |
| (-31.8) - (-25.4) | 0 |
| (-25.4) - (-19.1) | 1 |
| (-19.1) - (-12.7) | 0 |
| (-12.7) - (-6.4) | 1 |
| (-6.4) - 0 | 3 |
| 0 - 6.4 | 7 |
| 6.4 - 12.7 | 15 |
| 12.7 - 19.1 | 10 |
| 19.1 - 25.4 | 7 |
| 25.4 - 31.8 | 2 |
| 31.8 - 38.1 | 1 |
| 38.1 - 44.5 | 1 |
| 44.5 - 50.8 | 0 |
Figure 4: Example of a Skewed Distribution for Layer thickness deviation.
| Frequency | |||
|---|---|---|---|
| -3.75 | 0 | (-101.6) - (-95.3) | 0 |
| -3.5 | 3 | (-95.3) - (-88.9) | 3 |
| -3.25 | 0 | (-88.9) - (-82.6) | 0 |
| -3 | 4 | (-82.6) - (-76.2) | 4 |
| -2.75 | 0 | (-76.2) - (-69.9) | 0 |
| -2.5 | 0 | (-69.9) - (-63.5) | 0 |
| -2.25 | 0 | (-63.5) - (-57.2) | 0 |
| -2 | 0 | (-57.2) - (-50.8) | 0 |
| -1.75 | 1 | (-50.8) - (-44.5) | 1 |
| -1.5 | 0 | (-44.5) - (-38.1) | 0 |
| -1.25 | 1 | (-38.1) - (-31.8) | 1 |
| -1 | 0 | (-31.8) - (-25.4) | 0 |
| -0.75 | 0 | (-25.4) - (-19.1) | 0 |
| -0.5 | 0 | (-19.1) - (-12.7) | 0 |
| -0.25 | 1 | (-12.7) - (-6.4) | 1 |
| 0 | 12 | (-6.4) - 0 | 12 |
| 0.25 | 17 | 0 - 6.4 | 17 |
| 0.5 | 14 | 6.4 - 12.7 | 14 |
| 0.75 | 9 | 12.7 - 19.1 | 9 |
| 1 | 7 | 19.1 - 25.4 | 7 |
| 1.25 | 4 | 25.4 - 31.8 | 4 |
| 1.5 | 0 | 31.8 - 38.1 | 0 |
| 1.75 | 0 | 38.1 - 44.5 | 0 |
| 2 | 0 | 44.5 - 50.8 | 0 |
| More | 0 |
