{"cyl":6,"N":7,"mean_mpg":19.74,"mean_hp":122.29,"mean_wt":3.12,"mean_disp":183.31}
{"cyl":4,"N":11,"mean_mpg":26.66,"mean_hp":82.64,"mean_wt":2.29,"mean_disp":105.14}
{"cyl":8,"N":14,"mean_mpg":15.1,"mean_hp":209.21,"mean_wt":4,"mean_disp":353.1}