What would be the best predictor of overall cost in these cities? What would be the worst? Are there any surprising relationships

\fCity Cost of Living Rent Pubic Trans CD News Coffee Fast Food ondon 110.6 1700 2 12 1.1 1.9 4.5 Dublin 91.8 824 1.03 14.1 1.37 2.06 4.05 Paris 93.1 1303 0.96 11.7 1.37 1.51 4.12 Rome 89.8 926 0.69 14.6 1.37 1.51 3.91 Amsterdam 83.4 926 1.1 15.1 1.78 1.71 4.46 Berlin 79.2 720 1.44 12.3 1.44 1.71 3.26 Athens 81.1 721 0.55 13 1.23 2.88 4.97 Brussels 79.5 652 1.03 13.7 1.37 1.51 3.77 Madrid 81.6 892 0.75 13.7 1.71 1.58 4.18 Prague 82.1 754 0.41 14.4 1.2 2.17 2.89 Warsaw 80.4 754 0.43 13.5 1.8 1.98 2.79 okyo 119.1 2352 1.32 12.3 0.74 1.47 2.99 Sydney 91.3 1104 1.06 11 1.63 1.49 2.74 New York 100 1998 1.14 10.8 0.93 2.26 3.43 Buenos Aires 54.8 571 0.15 6.88 2.6 0.84 1.58 Vancouver 81.2 804 1.13 10.6 1.88 1.63 2.79