Statistical Process Control (SPC)

When to use

Use this skill when:

• Selecting the correct control chart type for a process characteristic
• Interpreting control chart signals — is this special cause or common cause?
• Calculating Cp, Cpk, Pp, Ppk and determining if the process is capable
• Responding to an out-of-control signal on a production line
• Setting up SPC for a new special characteristic (PPAP/APQP requirement)
• Auditing an SPC system for correctness and adequacy
• Explaining SPC results to a customer or during an audit

Prerequisites