Value Added vs. Non Value Added

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What is Value Added? The most important thing to understand about value concepts is that they always revolve around the customer. Customers are the ones who set the standard for value, which means it’s based on whether the customer believes the product or service will address their specific needs. Increasing appeal by adding value may […]

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Cpk vs. Sigma Level: What’s the Difference?

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What is Cpk? Cpk is short for Capability Index. It is a measurement of the capability of a process to deliver output that is within the specification limits of a process. The Benefits of Cpk With Cpk, you are able to determine how closely a process can meet overall specifications in its ability to produce […]

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Standard Operating Procedure vs. Work Instruction: What’s the Difference?

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What is Standard Operating Procedure? Most established companies have some kind of standard operating procedure (SOP) in place, even if it’s a bit vague and outdated. Six sigma practitioners have no excuse for vague or outdated procedures though because these things should be second-nature when you are deep into process management. A SOP is a […]

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Step-by-Step Guide to Understanding and Using Process Decision Program Charts

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An analytical management tool used to develop a basic outline of core processes and help the analysts consider what may go wrong with each step.

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Variable vs. Attribute Data: What’s the Difference?

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What is Variable Data? Variable data is any kind of information that is represented and recorded as measurements. The term is often used when discussing the creation of control charts for the purpose of process analysis. Variable data is quantitative, which means it can be described with numerical value and can change along a perpetual […]

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Pugh Matrix vs. Analytical Hierarchy Process: What’s the Difference?

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What is Pugh Matrix? When it comes to finding solutions and improvements in business processes, making a final decision can seem impossible. There are always multiple options for dealing with a situation or problems, which can be paralyzing for leadership. Pugh’s Controlled Convergence, also called the Pugh Matrix, is a numerical method for making tough […]

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Spaghetti Diagram vs. Value Stream Mapping: What’s the Difference?

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What is a Spaghetti Diagram? A spaghetti diagram is defined as the visual representation of the flow of an activity or process utilized to identify areas that could use improvement. It is unique in that it demonstrates motion work and its associated waste and assists in the quantification of the amount of walking an operator […]

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Hyper Micro Process Map

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Sometimes you have to break something down into the smallest possible pieces before you can make it right. Process mapping is one of the first major steps when adopting six sigma, so it’s something business leaders should learn to love. Depicting workflow and processes in a visual format sets the stage for defining, understanding and […]

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Continuous vs. Attribute Data: What’s the Difference?

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What is Continuous? Continuous data refers to numerical data that has any value within a certain range. There are infinite possibilities for the values, but they all fall within a range. These can be whole numbers or decimals measured using data analysis like skews and line graphs. This kind of data can change over time […]

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Null vs. Alternative Hypothesis: What’s the Difference?

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What is Null Hypothesis? Statistical information without context or contrast is meaningless. Anyone looking at a data set can find connections and discover patterns, but they’ll probably end up drawing all kinds of wrong conclusions. That’s why statisticians have to examine the data from two different perspectives and always consider how the information they are […]

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Categorical vs. Continuous Data: What’s the Difference?

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What is Categorical Data? Categorical data is statistical information that is presented according to its division into certain groups. In this model, values are sorted into predefined categories according to the design of the analysts. Grouping data points into categories in this way can be useful depending on the goals of the research, but it’s […]

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Discrete vs. Continuous Data: What’s the Difference?

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Discrete vs. Continuous Data: What’s the Difference? When it comes to Six Sigma, data is your lifeblood. The ability to interpret what the data is saying is how you know whether you are on the right path in achieving your goals and objectives and avoiding roadblocks on your journey towards success. Accurately collected and analyzed […]

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Flowchart vs. Process Map: What’s the Difference?

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What is a Flowchart? A flowchart is a diagram of several boxes or other shapes connected with arrows, wherein each box is text that represents a step in a process or workflow. It is meant to reflect the process or workflow step-by-step, in sequential order, with multiple boxes having various arrows off-shooting from them, connecting […]

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Voice Of The Process vs. Voice Of The Customer: What’s the Difference?

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What is the Voice Of The Process? Voice Of The Process (VOP) is the manner in which a process communicates its performance capability to meet the expectations, wants, and needs of the customer. The Benefits of the Voice Of The Process Through analysis of your VOP, you gain insight into what moves you need to […]

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Customer Journey Map vs. Process Map: What’s the Difference?

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What is a Customer Journey Map? A customer journey map is a diagram that visually represents the various steps a customer goes through in engagement with your company. This can be with a product, service, online and in-person interaction, or a combination. The Benefits of a Customer Journey Map A customer journey map has a […]

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Critical To Quality vs. Critical to Customer: What’s the Difference?

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What is Critical To Quality? Critical to quality refers to the things necessary for a company to have in place in order to meet the needs of the customer. It is the attribute of a process or service that has a direct impact on its real or perceived quality. The Benefits of Critical To Quality […]

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Value Stream Map vs. Process Map: What’s the Difference?

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What is a Value Stream Map? A value stream map is a visual representation of all the components that are needed to deliver a product/service. It looks at the components individually and as a whole, with the goal of eliminating waste and optimizing the entire process. The Benefits of a Value Stream Map A value […]

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Lead Time vs. Takt Time: Which One Should You Prioritize?

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What is Lead Time? Lead time is the amount of time that it takes to get a product or service completed for a customer, from the time of ordering until completion of delivery. A lot of factors can figure into the amount of lead time. Some factors include supplier back-up, other orders that need fulfilling, […]

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PDCA vs. OODA: What’s the Difference?

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What is PDCA? The Plan-Do-Check-Act (PDCA) method is a framework used to achieve continuous improvement in a particular organization or process. It’s also known by several other names, including the Deming wheel, Shewhart cycle and the control circle. Even though the method was originally rooted in quality control, it has since been adapted and adopted […]

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PDSA vs. PDCA: What’s the Difference?

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What is PDSA? PDSA stands for Plan, Do, Study, and Act. It is a method that is used in order to test a change that is being implemented or has been implemented. Working through these four steps guides thinking into breaking down a task into sections and then evaluating the result, making improvements, and then […]

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Flow Time vs. Cycle Time: What’s the Difference?

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What is Flow Time? Flow time describes the full interval between the beginning and end of a particular process. The most common context is manufacturing where flow time would begin with the first stage of the assembly line and conclude with packaging or transit. However, the term can be used in any business context to […]

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Process Time vs. Cycle Time: What’s the Difference?

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What is Process Time? Process time describes the interval required for a product or service to progress through a specific development stage. The exact scope of a “development stage” depends on the context. In industry or manufacturing, each stage is usually confined to a particular physical location with a workstation and equipment. Understanding and improving […]

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PDCA vs. DMAIC: What’s the Difference?

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What is PDCA? Plan Do Check Act (PDCA) is a cyclical method for achieving continual improvement of an organization or process. In the first stage, companies must clearly identify and define a specific problem. The “Do” step is about taking a small, controlled action with a limited release, pilot project or other sampling technique. Stage […]

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Takt Time vs. Cycle Time: What’s the Difference?

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What is Takt Time? Takt Time refers to the speed at which a product must be manufactured in order to meet customer demand. The Benefits of Takt Time Implementing Takt Time into your organization is beneficial for a number of reasons: Identifying bottlenecks – If an organization is making Takt Time a priority, bottlenecks tend […]

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