What is a fishbone diagram? Select the best answer.

A routing diagram used to trace the sequence of operations in a manufacturing process, often used in the Improve phase of a Six Sigma project.

A cause$-$and$-$effect diagram used to evaluate potential causes of a rroblem, often used in the Analyze phase of a Six Sigma project.

A process flowchart which depicts the sequence of activities, decision points, and buffers associated with a process, often used in the Define phase of a Six Sigma project.

A tool used to calculate a risk priority number $($RPN$)$ for each potential process failure, often used in the Control phase of a Six Sigma project.