Here are the scatter plots for two sets of bivariate data with the same response variable. The first compares the variables x & y. The second compares the variables w & y [Graphs generated by this script: width="300";height="300";xmin=-5;xmax=5;ymin=-5;ymax=5;axes(1,1);marker="dot"; line([-2.6588571428571,1.8386744355426],[-2.6588571428571,1.8386744355426]); line([-3.06,1.126365622724],[-3.06,1.126365622724]); line([0.72514285714286,0.74836125273125],[0.72514285714286,0.74836125273125]); line([-0.43714285714286,-1.2443554260743],[-0.43714285714286,-1.2443554260743]); line([-2.124,-1.4978150036417],[-2.124,-1.4978150036417]); line([-3.3685714285714,0.12563729060452],[-3.3685714285714,0.12563729060452]); line([4.5,-1.6813546977422],[4.5,-1.6813546977422]); line([3.0188571428571,-2.2516387472688],[3.0188571428571,-2.2516387472688]); line([-1.692,-1.1635105608157],[-1.692,-1.1635105608157]); line([0.16971428571429,-0.52986161689731],[0.16971428571429,-0.52986161689731]); line([2.5868571428571,-2.0331391114348],[2.5868571428571,-2.0331391114348]); line([1.8771428571429,-2.9115076474873],[1.8771428571429,-2.9115076474873]); line([-3.0497142857143,2.2428987618354],[-3.0497142857143,2.2428987618354]); line([-1.0748571428571,-0.38783685360524],[-1.0748571428571,-0.38783685360524]); line([2.6485714285714,-2.5400582665696],[2.6485714285714,-2.5400582665696]); line([0.30342857142857,1.5939548434086],[0.30342857142857,1.5939548434086]); line([-1.7948571428571,-1.7884195193008],[-1.7948571428571,-1.7884195193008]); line([-1.6097142857143,0.59978150036417],[-1.6097142857143,0.59978150036417]); line([0.35485714285714,-0.87946103423161],[0.35485714285714,-0.87946103423161]); line([3.2142857142857,-2.0222141296431],[3.2142857142857,-2.0222141296431]); line([0.30342857142857,-2.0418790968682],[0.30342857142857,-2.0418790968682]); line([2.3914285714286,-1.2378004369993],[2.3914285714286,-1.2378004369993]); line([-4.0782857142857,4.5],[-4.0782857142857,4.5]); line([-2.772,2.7388929351784],[-2.772,2.7388929351784]); line([0.27257142857143,0.32010196649672],[0.27257142857143,0.32010196649672]); line([-0.15942857142857,0.6238164603059],[-0.15942857142857,0.6238164603059]); line([0.98228571428571,-0.82046613255645],[0.98228571428571,-0.82046613255645]); line([-4.5,-1.5961398397669],[-4.5,-1.5961398397669]); line([2.628,-4.5],[2.628,-4.5]); line([-1.6611428571429,1.1613255644574],[-1.6611428571429,1.1613255644574]); line([-0.12857142857143,0.68062636562272],[-0.12857142857143,0.68062636562272]); line([0.30342857142857,-1.1416605972323],[0.30342857142857,-1.1416605972323]); line([-0.60171428571429,-3.2698470502549],[-0.60171428571429,-3.2698470502549]); line([-0.81771428571429,0.15841223597961],[-0.81771428571429,0.15841223597961]); line([0.26228571428572,-1.0214857975237],[0.26228571428572,-1.0214857975237]); line([0.57085714285714,-0.90349599417334],[0.57085714285714,-0.90349599417334]); line([0.47828571428571,-2.0724690458849],[0.47828571428571,-2.0724690458849]);]       [Graphs generated by this script: width="300";height="300";xmin=-5;xmax=5;ymin=-5;ymax=5;axes(1,1);marker="dot"; line([-0.24193548387097,0.10668103448276],[-0.24193548387097,0.10668103448276]); line([-0.87096774193549,0.21336206896551],[-0.87096774193549,0.21336206896551]); line([-1.1935483870968,2.0802801724138],[-1.1935483870968,2.0802801724138]); line([0.91935483870968,-1.0377155172414],[0.91935483870968,-1.0377155172414]); line([0.17741935483871,-0.15032327586207],[0.17741935483871,-0.15032327586207]); line([-4.0967741935484,4.1169181034483],[-4.0967741935484,4.1169181034483]); line([-1.0806451612903,1.3238146551724],[-1.0806451612903,1.3238146551724]); line([-4.5,4.4321120689655],[-4.5,4.4321120689655]); line([-1.5322580645161,1.7311422413793],[-1.5322580645161,1.7311422413793]); line([-0.62903225806452,0.91648706896552],[-0.62903225806452,0.91648706896552]); line([-2.0967741935484,2.7737068965517],[-2.0967741935484,2.7737068965517]); line([0.70967741935484,-0.048491379310347],[0.70967741935484,-0.048491379310347]); line([1.3709677419355,-1.7359913793103],[1.3709677419355,-1.7359913793103]); line([4.4354838709677,-4.5],[4.4354838709677,-4.5]); line([-1.1774193548387,2.8658405172414],[-1.1774193548387,2.8658405172414]); line([0.74193548387097,-0.70797413793104],[0.74193548387097,-0.70797413793104]); line([0.33870967741935,0.23760775862069],[0.33870967741935,0.23760775862069]); line([-0.48387096774194,0.78556034482759],[-0.48387096774194,0.78556034482759]); line([0.70967741935484,-0.41217672413793],[0.70967741935484,-0.41217672413793]); line([-1.9516129032258,2.8125],[-1.9516129032258,2.8125]); line([0.33870967741935,1.3044181034483],[0.33870967741935,1.3044181034483]); line([0.58064516129032,0.4073275862069],[0.58064516129032,0.4073275862069]); line([3.1612903225806,-2.2112068965517],[3.1612903225806,-2.2112068965517]); line([-2,1.9832974137931],[-2,1.9832974137931]); line([-0.43548387096774,1.2268318965517],[-0.43548387096774,1.2268318965517]); line([4.5,-4.073275862069],[4.5,-4.073275862069]); line([0.048387096774192,-0.17941810344828],[0.048387096774192,-0.17941810344828]); line([1.6935483870968,-0.45096982758621],[1.6935483870968,-0.45096982758621]); line([-3.0967741935484,2.9725215517241],[-3.0967741935484,2.9725215517241]); line([-2.4838709677419,3.2925646551724],[-2.4838709677419,3.2925646551724]); line([-0.83870967741936,1.9784482758621],[-0.83870967741936,1.9784482758621]); line([1.741935483871,-0.47036637931035],[1.741935483871,-0.47036637931035]); line([-3.1451612903226,3.379849137931],[-3.1451612903226,3.379849137931]); line([-4.2258064516129,4.5],[-4.2258064516129,4.5]); line([2.1290322580645,-1.6681034482759],[2.1290322580645,-1.6681034482759]); line([-0.54838709677419,1.8378232758621],[-0.54838709677419,1.8378232758621]); line([1.0483870967742,0.54310344827586],[1.0483870967742,0.54310344827586]);] Which explanatory variable has a stronger relationship with the response variable y?