a. See the plot. b. Looking at the stem-and-leaf plot, it gives us the sense that the range of amounts(in dollars) that buyers using StubHub spent on Super Bowl XLV falls between 2195 to 7500 (dollars), with most amounts being the values with the starting digit 24 and 28. c. The stem-and-leaf plot shown from the first image is too compact, and it will lead to failure of portraying where the data falls as clearly as the truncated plot. Therefore we can say that the stem-and-leaf plot that has being truncated is more informative than the other.