data={8.6,10.9,9.8,12.4,10.6,10.7,10.9,10.1,10.2,10.3,9.4,9.1,11.2,9.7,11.6,12.0,10.4,9.5,10.9,10.5,9.9,11.1,10.5,11.3,11.7,11.3,10.3,11.5};

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