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.
Analysis of variance for interaction Carbon dioxide – Air
| Source | DF | SS | MS | F | P |
| Air | 1 | 4714 | 4714 | 1.92 | 0.168 |
| Carbon dioxide | 1 | 25755 | 25775 | 10.50 | 0.002 |
| Interaction | 1 | 132058 | 132058 | 53.84 | 0.000 |
| Error | 116 | 284501 | 2453 | ||
| Total | 119 | 447028 |
DF: Degrees of Freedom; SS: Sum of Squares; MS: Mean Square; F: Fisher Statistic; P: Probability
