| Question |
Answer |
| Control Chart |
Way to monitor a process to identify special causes of variation. Signals need to take corrective action when appropriate. |
| Pareto Diagram |
Arranges categories from highest to lowest frequency of occurrence. Helps prioritize types of problems. 80% of problems come from 20% of the items. |
| Flowchart |
A diagram of the sequence of steps of a process. AKA process map. Helps one understand a process better. |
| Histogram |
Bar graph showing variation in a set of data. Show frequency of observations within a specific group. |
| Check Sheet |
Tool used to identify problem. Enables users to record and organize data. Makes it easy to see where problems are occurring. Contains attribute or variable data. |
| Scatter Diagram |
Shows degree and direction of relationship between two variables. |
| Cause-and-Effect Diagram |
Helps organize a search for causes of problems. AKA fishbone or Ishiwaka diagram. |
| Run Chart |
Used to trackk the values of variables over time. Helps identify trends. Easy to use and interpret. |