How the Tukey Method test in Minitab adjusts treatment means when using ANOVA with covariates
After digging into the manual calculations of the Tukey test to compare group averages, another observation was made that I
Read More
How to manually calculate Tukey’s Honestly Significant Difference (HSD) for comparing factor levels
I was recently asked by a client to explain how the Tukey’s HSD (Honestly Significant Difference) is calculated, but I
Read More
Manufacturer invests in Green Belt training that leads to significant savings and payback
A manufacturer that does a mix of production and research and development expressed interest in a 2-week Six Sigma Green
Read More
DOE and Gage R&R studies help evaluate solar panel efficiency
While working on the Corporate Sustainability team at Collins Aerospace (formerly Rockwell Collins) back in 2011, I was approached by
Read More
Food manufacturer achieves cost savings and skill development with Green Belt program
BPI was asked to develop and conduct a Six Sigma Green Belt training program for a well-known food manufacturer. There
Read More
Product Specification Adjustments Reduce Paperwork
About 10% of the time, an aircraft part would fail to meet the quality specifications agreed upon with the customer
Read More
Dermatology clinic finds waste opportunities with gemba walk observations
A dermatology clinic was curious if waste and opportunity could be found in their small clinic in Texas. They asked
Read More
Food manufacturer conducts kaizen event to establish new maintenance program
A kaizen event was planned with maintenance managers across multiple facilities in order to improve the preventative maintenance (PM) program.
Read More
Six Sigma project saves millions, leads to Six Sigma program at aerospace company
A new military program was losing 50% of the product during testing, resulting in almost $1 million USD per month
Read More
Engineer saves $800K on Black Belt project to increase capacity and reduce hazardous waste
A film manufacturer was looking to increase efficiency and reduce costs when replacing the membrane filters in their tanks. The
Read More