Polyhedrika

The Obeya room is a "war room" used by process improvement teams to meet and solve critical multi functional problems.  The room walls are lined up with boards, highly visual charts and graphs showing program timing, milestones and progress to date and countermeasures to existing timing or technical problems.  The team meets in this room regularly but team members can also visit the room, which is fully dedicated to the project, throughout the day. What is an Obeya? Obeya Room Benefits Remove organizational barriers Visual management by displaying all relevant data required in the improvement project Encourage a collaborative environment through regular meetings Implement quicker, more effective solutions The whole team knows what is going on in real time Some Practical Constraints in the Implementation Some companies can't afford the luxury of a fully dedicated room Some of the team members may be located far away so they will only attend the meetings The data displayed ...

  After we have identified what needs to be improved in our value stream we want to look for the root cause of problems. Due to the existence of variation we will need statistical data analysis. Microsoft Excel provides effective data analysis tools we can effectively use to do this.  The steps for value stream improvement are: Map it as it is really happening today in Gemba with a Value Stream Map . Collect process data in the line. To understand the value stream dynamic behavior we will need statistically significant data to enable simulation   Check for stability with Statistical Process Control Know to what extent it is able to meet the customer requirements with Process Capability Perform additional data analysis to get to the root cause Now we will continue our value stream data analysis both for variables and attribute data. Hypothesis Testing A comparison statement is composed of two hypothesis: Null hypothesis             ...