Regression analysis is a technique that can help us understand the relationship between two variables.  

  Have you ever had to return a product?  Chances are you have.  Reverse logistics is the supply chain concept that your returns follow.  Rather than following a normal supply chain flow the reverse logistics supply chain focuses on improving the reverse flow.  The focus of the reverse supply chain is to support customer returns, repair of damaged items, remake or remanufacturing of designs that might not meet the customers expectations and recycling materials.  The reverse supply chain can in fact be designed in such a way that it operates at a profit, recovers costs and best of all creates loyal customers. 

  In the comments section below share some ideas that you have that might help returns be a better experience for customers.

Reference: What is reverse supply chain? and Principles of Supply Chain Management.

    One of the best ways to understand what is going on is to go to the Gemba and see for yourself. This is the central idea behind the term Genchi Genbutsu,  which is a core principle in both Lean and Six Sigma.

  The waste hierarchy is a common tool used in green and environmentally focused organizations.  The tool helps to rank the different options that you could select when managing waste.  As you can see the highest priority is shown at the top and descends as shown below:

1. Prevention
2. Reuse
3. Recycle
4. Recover
5. Disposal

  In the comments section below list one way you could prevent waste, one way you can reuse some items, one way you could begin recycling and one way you can recover some materials, energy or value from waste.

  The house of Toyota is a graphical representation of the Toyota Production System depicted in the form of a house.  Taiichi Ohno was given credit for much of the systems development.  The Toyota Production System works together with 5 key elements:​