Enable text based alternatives for graph display and drawing entry

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246810161116212631dataFrequency[Graphs generated by this script: setBorder(54,40,20,5); initPicture(0,31,0,10);axes(1000,2,1,1000,2); fill="blue"; stroke="black";line([1,-0.2],[1,0.2]); text([1,0],"1","below");line([6,-0.2],[6,0.2]); text([6,0],"6","below");line([11,-0.2],[11,0.2]); text([11,0],"11","below");line([16,-0.2],[16,0.2]); text([16,0],"16","below");line([21,-0.2],[21,0.2]); text([21,0],"21","below");line([26,-0.2],[26,0.2]); text([26,0],"26","below");line([31,-0.2],[31,0.2]); text([31,0],"31","below");textabs([165,0],"data","above");textabs([0,115],"Frequency","right",90);rect([1,0],[6,7]);rect([6,0],[11,8]);rect([11,0],[16,10]);rect([16,0],[21,9]);rect([21,0],[26,5]);rect([26,0],[31,6]);]

Based on the histogram above, what is the class width?

Class width =

What is the sample size?

Sample size =