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.
Table showing comparison of different surfaces for the development of lip prints.
| Comparison | χ2 | p-value |
|---|---|---|
| Cotton vs. Satin | 19.226 | 0.001* |
| Cotton vs. Cup | 6.350 | 0.174 |
| Satin vs. Cup | 35.304 | <0.001* |
The statistical test applied is using chi square test
*denotes significant association between the two dye: p values highly significant
