hat you created previously, make histograms $(5$ in total$)$ similar to this example for the left femur load $($l$.$leg$)$ for each type of protection $($the protection variable gives the level of protection$)$ using the intervals $0-500,500-1000,1000-1500,1500-2000,2000-2500,2500-3000,$ and $3000-3500.$ Be sure to use class boundaries $($rather than midpoints$)$ to label the x$-$axis and be sure to label the heights of all of the bars.