There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 2.978141 -1.161973
Manta Style 3.018462 0.602959
Bloodthorn 2.306673 1.650888
Wraith Band 0.438022 -1.655602
Magic Wand 0.342170 -1.685937
Orchid Malevolence -0.187895 -0.017525
Aghanim'S Scepter 0.561175 0.382343
Nullifier 0.297858 0.671902
Blade Mail -0.047029 -0.775894
Radiance 0.063642 0.851153
Eye Of Skadi 0.257486 0.989038
Aghanim'S Shard 0.076599 -1.161973
Abyssal Blade 0.216035 1.554368
Skull Basher -0.009829 -0.348450
Butterfly 0.025656 0.809787
Diffusal Blade -0.383950 -0.555278
Bracer -0.535912 -1.655602
Black King Bar -0.544769 0.299611
Heart Of Tarrasque -0.554420 0.878730
Monkey King Bar -0.631945 0.768422
Disperser -0.604559 1.209655
Phase Boots -0.675861 -1.106819
Scythe Of Vyse -0.648463 1.126923
Hand Of Midas -0.710950 -0.720740
Orb Of Corrosion -0.717020 -1.423955
Vanguard -0.726678 -0.996511
Refresher Orb -0.696394 0.823576
Sange And Yasha -0.728753 0.327189
Linken'S Sphere -0.724757 0.602959
Boots Of Travel -0.724719 -0.555278
Moon Shard -0.728016 0.272034