condition mean min max ZT0-3 10.75235 10.75235 10.75235 ZT4-7 9.03312 9.03312 9.03312 ZT8-11 10.511199999999999 10.511199999999999 10.511199999999999 ZT12-15 6.18664 6.18664 6.18664 ZT16-19 7.37031 7.37031 7.37031 ZT20-23 10.94435 10.94435 10.94435