The QI Macros SPC Software for Excel draws pareto charts, control charts, histograms, box and whisker plots, scatter plots and more. There are four "wizards" that figure out what chart or statistic to draw based on your data. Better yet we do it right in Excel. Your just select your data and then select the chart from the QI Macros menu. It also includes over 90 fill in the blank templates including SPC charts, QFD, GageR&R, DOE, PPAP and FMEA.