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.
Paired t Test and Confidence Interval of Samples
| Paired Samples | t Value | p Value a | Estimate for Difference (SD) | 95% CI |
|---|---|---|---|---|
| REBA Pre-Score vs. REBA Post-Score | 13.50 | 0.000 | 4.294 (1.312) | Lower: 3.620 Upper: 4.969 |
| RULA Pre-Score vs. RULA Post-Score | 9.74 | 0.000 | 2.353 (0.996) | Lower: 1.841 Upper: 2.865 |
Significance of p value < .05
