The Research Process - Qualitative Pathway - the downloadable worksheet is exceptional. Step by step on the methodology section. http://www.bcps.org/offices/lis/researchcourse/develop_writing_method_qualitative.html
QC (Quality Control) tools are basic Statistical Process Control (SPC) tools. 7 QC tools help collect and analyze data, identify root causes, and measure results. These tools offer better visual aids and make quality control comprehensible. These magnificent seven tools are 1. Control Chart, 2. Flow Chart, 3. Check Sheet, 4. Pareto Chart, 5. Fishbone Diagram, 6. Histogram, and 7. Scatter Diagram. This infographic gives an overview of 7 QC tools that make statistical analysis less complex.