Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Statistical measures applied to all collected data.
| Sample Size | No. Methods | No. Criteria | No. Explanatory Variables |
No. Critical Factors | No. Citations | |
|---|---|---|---|---|---|---|
| Mean | 18,640 | 1 | 8 | 3 | 4 | 50 |
| Median | 728 | 1 | 6 | 3 | 4 | 14 |
| Mode | 200 | 1 | 6 | 0 | 3 | 0 |
| Standard Deviation | 84,507 | 0.39 | 6 | 3 | 2 | 110 |
| Coefficient of Variation | 453% | 33% | 73% | 100% | 59% | 222% |
| Minimum | 37 | 1 | 0 | 0 | 1 | 0 |
| Maximum | 934,800 | 2 | 26 | 14 | 13 | 763 |
