There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.105245 -1.041748
Manta Style 3.101905 0.698885
Blade Mail 1.018102 -0.660984
Bloodthorn 1.390288 1.732386
Radiance 0.769482 0.943662
Wraith Band 0.355809 -1.528581
Magic Wand 0.154197 -1.558498
Orchid Malevolence -0.056439 0.086944
Eye Of Skadi 0.392047 1.079649
Diffusal Blade -0.014349 -0.443405
Aghanim'S Shard 0.161234 -1.041748
Abyssal Blade 0.289171 1.637195
Aghanim'S Scepter 0.222822 0.481306
Skull Basher -0.060623 -0.239425
Butterfly -0.032231 0.902866
Nullifier -0.250059 0.766879
Heart Of Tarrasque -0.405584 0.970859
Black King Bar -0.547936 0.399714
Disperser -0.483666 1.297228
Bracer -0.682127 -1.528581
Phase Boots -0.687900 -0.987353
Monkey King Bar -0.675958 0.862070
Urn Of Shadows -0.755465 -1.324601
Vanguard -0.772045 -0.878563
Hand Of Midas -0.780905 -0.606590
Orb Of Corrosion -0.790957 -1.300123
Scythe Of Vyse -0.767759 1.215636
Boots Of Travel -0.785623 -0.443405
Spirit Vessel -0.799567 -0.291100
Sange And Yasha -0.809655 0.426911
Moon Shard -0.801452 0.372517