31. Stockard said the school has developed a bar chart system that lets students see their progress. 32. Current standards require children to learn basic statistical ideas such as organizing data with bar charts . 33. :It'd be very difficult to have a bar chart showing how petroleum creation compares to petroleum consumption. 34. Histograms are sometimes confused with bar charts . 35. Many fund prospectuses already include bar charts . 36. In the place of sunny and cloudy skies, WealthSimulator offers plain, old-fashioned bar charts and line graphs. 37. A mosaic plot, fluctuation diagram, or faceted bar chart may be used to display two categorical variables. 38. They want pie charts and bar charts . 39. Of course, bar charts have some flaws. 40. The first set of data is suitable for a bar chart ; the second for a pie chart:
