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Basic Quality Tools
In this matrix plot, it appears that there is a positive relationship between the years of experience and salaries. (Data source: Minitab Inc)
This is an example of a product family matrix which can help choosing the product or family of products that will be of most value.
Value stream mapping uses a set of symbols to denote the various details. These are the basic symbols that are applicable in most situations.
In a value stream map, the information flow is commonly placed at the top, material flow at the middle, and the VSM timeline are placed at the bottom of the map.
This is an example of a current state value stream map for a typical manufacturing process.
Value stream mapping can also be applied in service-related industries such as healthcare, hospitality and logistics. This example illustrates a value stream map for an equipment installation process.
This is an example of a current state value stream map that was created for a specific product family in a manufacturing facility.
Final yield (FY) is widely used yield metric that is easy to calculate. This is an example of a 3-step process map which has a final yield equals that is equal to 90%.
This is a process that has 3 steps performing at a 0.94, 0.91 and 0.92 respectively. If 100 units entered the process and only 89 were good units, final yield would be 89%, and rolled throughput yield would be: 0.94 x 0.91 x 0.92 = 78.7%.
In this can-making process example, the probability of manufacturing a can that meets all performance standards would be 90.28% (i.e. RTY = 90.28%).
This is an example of a SIPOC map for an idea generation and implementation process.
This is an example of a SIPOC map for a car purchasing process at a car dealership.
This is an example of a SIPOC map for conducting job interviews during a recruitment process in a company.
A SIPOC map can be created quickly by drawing a table of five columns. These five steps describe how to create a SIPOC map with your team.
These questions can be useful to complete the SIPOC analysis exercise with your team.