Eight Essential Tools by Ron Snee, Quality Progress:
In my experience, eight tools are used most frequently in Six Sigma projects - all eight use statistical thinking and methods. The tools are: process maps, cause and effect matrices (CE), failure mode and effects analysis (FMEA), measurement system analysis (MSA), process capability studies, multi-vari studies,
design of experiments (DOE) and process control plans.
Ron is the co-author of 2 excellent books on Six Sigma:
and many articles:
