data={{1.5,1.4},{1.5,1.2},{1.6,1.8},{1.6,1.5},{1.7,1.7},{2.0,1.9},{2.1,2.0},{2.2,2.2},{2.6,2.5},{3.2,3.5},{4.0,4.2},{4.9,4.4},{5.5,5.5},{7.5,7.2},{7.6,7.9}};

Export["/Users/troyday/Desktop/Transfer/BB Chapter11/data.txt",data,"TSV"]