x sse
+ nosse
+--------------------------------------------------------------------------+
|                           xx   x                         +      +        |
|                           xx   xxxx                   + ++   +  + ++ + + |
|xx  x xx      x        x  xxxx xxxxx  +x+          +  +++++ +++ ++ ++++ ++|
|               |__________A__M_______|                                    |
|                                                     |_______AM_______|   |
+--------------------------------------------------------------------------+
    N           Min           Max        Median           Avg        Stddev
x  30       7123940       7724544     7568087.5     7518877.7     169490.34
+  30       7709152       8245403       8078922       8064051     130698.04
Difference at 95.0% confidence
	545173 +/- 78231
	7.25073% +/- 1.04046%
	(Student's t, pooled s = 151342)