ITERATION 1
CENTROID 1 (Ct11)-Red CENTROID 2 (Ct21)-Blue CENTROID 3 (Ct31)-Yellow
X Y X Y X Y
5 7 3 8 1 3
5 9 2 7 1 2
    2 9    
Mean Coordinate 5 8 2.3 8 1 1.5
The averages of each coordinate are re-computed separately to obtain a new mean coordinate
Table 9: Computation of mean coordinate for cluster members at the end of iteration 1.