A list of 2D data is collected and given as follows: Cluster Y 100 60 2 3 190 200 140 130 110 4 130 5 170 150 120 100 102 7 170 120 8 80 60 120 90 10 65 80 50 12 70 40 Apply the PCA (Principal Component Analysis) to reduce the data into one dimension. Give details of your working