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.
Six Sigma is quality philosophy pioneered by Motorola in order to greatly reduce the number. of defects in processes. Six Sigma looks to minimize the defects that occur in a process,by. using a Define, Measure, Analyze, Improve, and Control cycle (DMAIC), to improve quality.