Determine the distribution of the data pictured below

[Graphs generated by this script: setBorder(54,40,20,5); initPicture(0,7.5,0,32);axes(1000,5,1,1000,5); fill="blue"; stroke="black";line([0.5,-0.64],[0.5,0.64]); text([0.5,0],"0.5","below");line([1.5,-0.64],[1.5,0.64]); text([1.5,0],"1.5","below");line([2.5,-0.64],[2.5,0.64]); text([2.5,0],"2.5","below");line([3.5,-0.64],[3.5,0.64]); text([3.5,0],"3.5","below");line([4.5,-0.64],[4.5,0.64]); text([4.5,0],"4.5","below");line([5.5,-0.64],[5.5,0.64]); text([5.5,0],"5.5","below");line([6.5,-0.64],[6.5,0.64]); text([6.5,0],"6.5","below");line([7.5,-0.64],[7.5,0.64]); text([7.5,0],"7.5","below");textabs([165,0],"data","above");textabs([0,115],"Frequency","right",90);rect([0.5,0],[1.5,1]);rect([1.5,0],[2.5,0]);rect([2.5,0],[3.5,5]);rect([3.5,0],[4.5,10]);rect([4.5,0],[5.5,19]);rect([5.5,0],[6.5,32]);rect([6.5,0],[7.5,25]);]