This chapter is from the book ï. Using Mixed Cell References. A mixed cell reference is either an absolute column and relative row or absolute row and relative column. When you add the $ before the column letter you create an absolute column or before the row number you create an absolute row.
Six Sigma was popularized in the late 1990's and introduced into 3M by former CEO James McNerney, a former GE executive. It involves a set of process tools designed to eliminate production defects and wastage, and raise efficiency. The Six Sigma process killed innovation at 3M, said Nicholson.
Michael L. George is the founder and CEO of George Group, the largest Lean Six Sigma consulting practice in the United States. He is the author of Lean Six Sigma and Lean Six Sigma for Service. David Rowlands is Vice President of Lean Six Sigma at Xerox Corporation. He's been using Lean and Six Sigma since 1988, and has practical experience working with teams to solve improvement challenges in sales, service, and manufacturing.