#h -FS mean stddev pct_rsd conf_range conf_low conf_high conf_pct sum sum_squared min max n
0.064188  0.036194  56.387  0.037989  0.026199  0.10218  0.95  0.38513  0.031271  0  0.096602  6
#  | /home/johnh/BIN/DB/dbrow 
#  | /home/johnh/BIN/DB/dbcol event clock
#  | dbrowdiff clock
#  | /home/johnh/BIN/DB/dbcol absdiff
#  | dbstats absdiff
#		0.95 confidence intervals assume normal distribution and small n.