| 2007.01.04-2015.10.16 | 2007.01.04-2010.03.31 | 2010.03.31-2015.10.16 |
Mean | 0.0001 | 0.0003 | ā8.61Eā06 |
Standard deviation | 0.0201 | 0.0249 | 0.0168 |
Range | 0.1918 | 0.1918 | 0.1740 |
Sample size | 2134 | 789 | 1345 |
Levene homogeneity test of variance | 3.686893 (p-value < 0.05) |