condition mean min max ZT0-3 755.7745 755.7745 755.7745 ZT4-7 536.9114999999999 536.9114999999999 536.9114999999999 ZT8-11 562.793 562.793 562.793 ZT12-15 350.23 350.23 350.23 ZT16-19 893.877 893.877 893.877 ZT20-23 902.5070000000001 902.5070000000001 902.5070000000001