What is the analyze phase of Six Sigma
Sarah Rodriguez
Published Feb 18, 2026
Analyze phase is the third phase of DMAIC. The main activity in the Analyze phase is to identify the potential root cause of the problem and arrive at the actual root cause. In other words, let’s use the data obtained in the Measure Phase to identify the root causes that we want to fix.
What is the purpose of Analyze phase?
The goal of the Analyze phase is to find and validate the root causes of business problems and ensure that improvement is focused on causes rather than symptoms. To do this, you will: Develop a problem statement. Complete a root cause verification analysis.
What are the tools used in Analyze phase of Six Sigma?
- Pareto Charts. Pareto charts are bar charts in which the horizontal axis is split into categories such as defects. …
- 5 Whys. …
- Scatter Graphs. …
- Ishikawa Diagrams. …
- Non-Value Added (NVA) Analysis. …
- t-Test. …
- Chi-Squared Test. …
- ANOVA.
What does the analysis phase include?
The Analysis Phase is where you break down the deliverables in the high-level Project Charter into the more detailed business requirements. … This process consists of a group of repeatable processes that utilize certain techniques to capture, document, communicate, and manage requirements.Which tool is used in the Analyze phase?
The most common tool used in this phase is the fishbone diagram also called the Ishikawa graph. This is a graphical demonstration of possible problem causes. The chart will show the association of cause and effect.
What is the main objective of Define phase?
The objective of the project define phase is to describe the Critical to Quality (CTQ)/business issue, the customer, and the involved core business process. During the define phase, a problem statement is formulated.
What are the analyze phase deliverables?
Analyze Phase. Deliverables Of Phase: Data and process analysis, root cause analysis, quantifying the gap/opportunity. Identify gaps between current performance and the goal performance.
What is an output of the Analyze phase?
The following are the outputs from the Analyze phase: A list of the confirmed critical inputs with their statistical proofs. A list of the rejected critical inputs with their statistical proofs.How many phases does analysis consist?
We basically have two phases of compilers, namely the Analysis phase and Synthesis phase. The analysis phase creates an intermediate representation from the given source code.
What should happen after the Analyze stage?By the end of the ANALYZE phase the KPIV’s that are creating the most significant effect on “Y” should be identified. Any wastes found by employing Lean tools should be identified and prioritized to improve. The outputs of ANALYZE lead into the inputs to the IMPROVE phase. What are Critical Values?
Article first time published onWhat do you know about Six Sigma?
What is Six Sigma? Six Sigma is a method that provides organizations tools to improve the capability of their business processes. This increase in performance and decrease in process variation helps lead to defect reduction and improvement in profits, employee morale, and quality of products or services.
What is not analysis in Six Sigma?
With a structure to identify geography, service or product, process and the main project metric, the “is/is-not analysis” can be one of the most useful tools to sharpen the definition and scope of a Six Sigma project (see Table 1). … Describes what the project will and will not address.
What is the measure phase?
The measure phase is all about the baseline of the current process, data collection, validating the measurement system, and also determining the process capability. There are multiple tools and concepts available in the Measure phase of six sigma.
What is the importance of the Analyze phase in terms of its placement in the DMAIC method?
This is the most important phase of all five phases of DMAIC. The ideal analysis is for the teams to brainstorm the potential root causes and develop hypotheses as to why the problems exist and then work to prove or disprove their hypotheses.
What methods are used in the define phase?
- Define – Define the problem that needs solving.
- Measure – Assess the extent of the issue and quantify it with data.
- Analyze – Use a data-driven approach to find the root cause of the problem.
- Improve – Put changes into place that eliminate the root cause.
Which phase is analysis phase in SDLC?
There are several phases in the SDLC, and the requirements gathering and analysis phase is the first phase. The most important phase of the SDLC is the requirement gathering and analysis phase because this is when the project team begins to understand what the customer wants from the project.
What is known at the end of the Analyze phase?
What is known at the end of the Analyze phase? FAULT TREE. Fault tree analysis is a graphical model of reliability/failure. It is a deductive, top-down approach to modeling combinations of events.
What is the standard for 6 Sigma?
To achieve Six Sigma — statistically — a process must not produce more than 3.4 defects per million opportunities. A Six Sigma defect is defined as anything outside of customer specifications. A Six Sigma opportunity is then the total quantity of chances for a defect.
Why is it called 6 Sigma?
The name Six Sigma is derived from the bell curve used in statistics where one Sigma represents one standard deviation away from the mean. The defect rate is said to be extremely low when the process exhibits Six Sigma’s, where three are above the mean and three below.
What are the steps of Six Sigma?
- Define the problem. Craft a problem statement, goal statement, project charter, customer requirement, and process map.
- Measure the current process. Collect data on current performance and issues. …
- Analyze the cause of issues. …
- Improve the process. …
- Control.
In which phase of the Six Sigma The sources of variation are identified?
The MEASURE phase involves more numerical studies and data analysis than the DEFINE phase. This phase focuses on measurement system validation and gathering root causes. The Voice of the Process (VOP) has variation from both the measurement system and the process and all its families (sources) of variation.
What is and is not analysis?
The “is / is not” analysis is a very simple yet powerful tool to help clearing what is in the scope and what is to be left aside. The principle of “is / is not” analysis is to split a paper board (or any support) in two columns, one for “is” and the other for the “is not”.
What is Kepner Tregoe analysis?
The Kepner Tregoe method or KT-method is a problem analysis model in which the “problem” is disconnected from the “decision”. An English synonym for this problem solving method is Problem Solving and Decision Making (PSDM).
What is is is not analysis used for?
The Is vs. Is Not analysis is a powerful problem-solving tool that works by making the team think about the problem in more detail – specifically what is and what is not the problem. It helps the team to focus its attention on the right problems that the team is facing and not digress to areas that are not important.
What is analyze phase in DMAIC?
The Analyze phase of DMAIC helps project teams identify problems in the production process that cause product defects. This phase of Six Sigma methodology is loaded with tools to help spot the problems in the production process and to determine if these problems are the root causes of defects.
What is critical about the control phase in Dmaic?
The Control phase involves: implementing the actual changes, whether they be physical, behavioural or both; rewriting procedures and work instructions; retraining staff on new procedures; putting systems in place to measure and monitor the new process, such as control charts; and writing an action plan.