Select a health care entity to focus on, this could be a clinic or hospital of your choosing. Review the matrix called Total Quality Tools: histogram, cause and effect, Pareto, stratification, run chart, control chart, survey chart, check sheet, scatter diagram, etc What They Are Used For. Select 6 of the 10 tools and determine how the tool could be used in the health care entity of your choice. First, determine the purpose of each chart, then describe how you would use the chart.