Question: SPC XL is a statistical add-in for Microsoft Excel, SPC XL provides statistical analysis including Control chart, Process capability, Histogram, and Pareto chart, a chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line, named after who?
Related documents: [0]  [DOC] A Pareto chart, named after Vilfredo Pareto, is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line. [END] 
[1]  [DOC] SPC XL is a statistical add-in for Microsoft Excel. SPC XL is a replacement for SPC KISS which was released in 1993 making it one of the oldest statistical addons to Excel. SPC XL provides statistical analysis including Control chart, Process capability, Histogram, Pareto chart, and ANOVA Gage R&R. [END] 
Answer: 
Vilfredo Pareto
Vilfredo Pareto