Clustering is bad

[jideoyelayo1]

the for this:
{1.0, 1.1}, {1.0, 1.2}, {1.0, 1.3}, // group 1
{11.0, 12.0}, {12.0, 12.0}, {13.0, 12.0}, // group 2
{22.0, 22.0}, {21.0, 22.0}, {23.0, 22.0} // group 3
the centres are bad, mainly for the first one
K-Means Cluster Centers:
Cluster center: (6.5, 6.6)
Cluster center: (21.5, 22)
Cluster center: (23, 22)

[jideoyelayo1]

Changed to Kmeans++ need to do further testing and need to split up tests to do better testing