There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.021012 -1.072472
Manta Style 3.061709 0.640996
Bloodthorn 2.100016 1.658367
Wraith Band 0.428258 -1.551707
Magic Wand 0.271973 -1.581158
Blade Mail 0.318414 -0.697651
Radiance 0.366758 0.881952
Orchid Malevolence -0.116542 0.038605
Aghanim'S Scepter 0.427228 0.426812
Eye Of Skadi 0.263061 1.015817
Aghanim'S Shard 0.099369 -1.072472
Abyssal Blade 0.226992 1.564662
Nullifier 0.128017 0.707928
Skull Basher -0.019263 -0.282670
Butterfly 0.047778 0.841793
Diffusal Blade -0.338900 -0.483467
Bracer -0.587781 -1.551707
Black King Bar -0.558720 0.346494
Heart Of Tarrasque -0.548745 0.908725
Disperser -0.593232 1.230000
Monkey King Bar -0.659677 0.801633
Phase Boots -0.694950 -1.018926
Scythe Of Vyse -0.683571 1.149682
Hand Of Midas -0.743279 -0.644105
Urn Of Shadows -0.737923 -1.350910
Vanguard -0.745627 -0.911834
Orb Of Corrosion -0.748173 -1.326815
Refresher Orb -0.731926 0.855179
Boots Of Travel -0.745964 -0.483467
Linken'S Sphere -0.752384 0.640996
Moon Shard -0.753927 0.319721