Frozen orange juice concentrate is packed in 6-oz cardboard
cans. These cans are formed on a machine by spinning them
from cardboard stock and attaching a metal bottom panel.
By inspection of a can, we may determine whether, when
filled, it could possibly leak either on the side seam or
around the bottom joint. Such a nonconforming can has an
improper seal on either the side seam or the bottom panel.
Set up a control chart to improve the fraction of nonconforming
cans produced by this machine