Which of the following statements concerning average error is true?
a. A positive value indicates high bias, and a negative value indicates low bias.
b. A positive value indicates zero bias, and a negative value indicates low bias.
c. A negative value indicates zero bias, and a negative value indicates high bias.
d. A positive value indicates low bias, and a negative value indicates high bias.
A load profile compares
a. requirements for all lower-level items to higher-level items.
b. cumulative lead times to projected lead times.
c. the quantities in which items should be produced to actual demand.
d. released and planned orders with work center capacity.
Control charts are typically used at the ___________ of a process.
a. beginning.
b. middle.
c. end.