x c-gilles
+ c-mikhail
* c-original
+--------------------------------------------------------------------------+
|       *+   +                                                         ****|
|x    *x*++  +                                                         ****|
|   |__AM|                                                                 |
|      |_A__|                                                              |
|                                                                      |_A||
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x   8          7.52          7.64          7.63       7.61625   0.040333432
+   8          7.61          7.72          7.65       7.65875   0.037961447
Difference at 95.0% confidence
	0.0425 +/- 0.0420049
	0.558017% +/- 0.551517%
	(Student's t, pooled s = 0.0391654)
*   8          8.67          8.72          8.71       8.69625   0.021339099
Difference at 95.0% confidence
	1.08 +/- 0.0346049
	14.1802% +/- 0.454356%
	(Student's t, pooled s = 0.0322656)
x u-gilles
+ u-mikhail
* u-original
+--------------------------------------------------------------------------+
|                          +                               *               |
|                  +       +     +                         *  *            |
|                  +    x  +     +                         *  *            |
|                  * x  x  +  x  +                 *  *    *  *            |
|               +  * x  x  *  x  +  *              *  *    *  *  *  *      |
|x           x  *  * *  *  *  *  +  *  x  *  x  *  *  * *  *  *  *  *     *|
|               |_______M__A_________|                                     |
|                  |_______A______|                                        |
|                                                    |_____A______|        |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  24          0.65          0.81          0.73        0.7375   0.036742346
+  24           0.7          0.79          0.74    0.73833333   0.025137304
No difference proven at 95.0% confidence
*  24          0.81           0.9          0.85          0.85   0.022067091
Difference at 95.0% confidence
	0.1125 +/- 0.0176111
	15.2542% +/- 2.38795%
	(Student's t, pooled s = 0.0303064)