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.
Paul Hanson, retired 3M technical director, (in) A Century of Innovation â The 3M Story. A few years later, while testing sandpaper samples at an auto body shop, Drew noticed the paintersâ struggles with the plaster tape they were using. He left the shop with an idea for an alternative. He was at first encouragedâthen discouragedâby 3M management when repeated trials in the lab were unsuccessful.