ref: 76c797f758b3491e00c3e9a714087452228bf78b
dir: /stt/db/
2.5 1 1541980172 1542066572 arithmeticmean.ms 2.5 1 1541980172 1542066572 variance.ms 2.5 1 1541980172 1542066572 variance.2.ms 2.5 1 1541980172 1542066572 stddeviation.ms 2.5 1 1541980172 1542066572 variancedist.ms 2.5 1 1541980172 1542066572 variancedist.2.ms