
190 Six Sigma Case Studies with Minitab
®
Click on “Sub” for “Ofce” and the dialog box shown in Figure 11.10
opens. Select the appropriate columns (“Ofce Paper” and “Magazines”) for
“Causes”, as shown in Figure11.11. Click on “OK” and it takes you back to the
dialog box shown in Figure11.9.
Click on “Sub” for “Kitchen” and the dialog box shown in Figure11.12
opens. Select the appropriate columns (“Milk cartons” and “Paper towels”)
FIGURE 11.9
Selection of columns for branches of shbone diagram.
FIGURE 11.10
Subcategories for “Ofce” branch.