Year | Mean | Std. Deviation | Std. Error | P value | F value |
---|---|---|---|---|---|
2011 (n = 31) | 12.8236 | 2.20918 | 0.39678 | 0.002 | — |
2012 (n = 31) | 12.8477 | 2.19188 | 0.39367 | 0.003 | — |
2013 (n = 30a) | 12.0787 | 2.02006 | 0.36881 | 0.176 | — |
Test of homogeneity of variances | — | — | — | 0.692 | 0.370 |
ANOVA | — | — | — | 0.647 | 0.886 |