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.
Comparison between Mean Raven’s SPM Raw scores between both groups- Independent T test
| N | Mean raw score | Standard Deviation | Standard Error Mean | |
|---|---|---|---|---|
| Fluorosis group | 60 | 26.15 | 11.865 | 1.532 |
| Control group | 60 | 31.05 | 11.063 | 1.428 |
| Mean difference 0.764 | Standard difference 0.384 | t -2.340 | P value 0.021 | |
