True or False

Common cause variation can only be affected by changing the nature of the process.

True or False

A process should be in control before implementing SPC (statistical process control).

True or False

A control chart might be considered in control if points fluctuate back and forth across the process mean in a random pattern.

True or False

Control limits are calculated from specification limits.

True or False

A control chart is essential in order to determine if any special cause variation is present?

True or False

Specification limits are essentially the same as tolerance limits.

True or False