# Six Sigma

## Importance of the Six Sigma Primary Metric

Six Sigma Primary Metric Primary Metric: The Six Sigma Primary Metric is mandatory! How does one know if a project does what it sets out to do? Every project must choose the right metrics to determine success. Primary metrics are the center point for the work to ensure that the direction and decisions made throughout…

Read More## What is Six Sigma?

What is Six Sigma or Lean Six Sigma What is Six Sigma or what is today known as “Lean Six Sigma”? It is a data-driven methodology and process improvement approach that combines Lean and Six Sigma elements. It aims to improve organizational processes’ efficiency, quality, and effectiveness. Here’s a breakdown of the two components: Lean…

Read More## What is Sigma in Six Sigma?

The Greek Letter Sigma σ The Greek letter sigma (σ), in both its uppercase and lowercase forms, holds profound significance in various domains, including mathematics and the renowned Six Sigma methodology. This symbol represents mathematical concepts AND embodies the pursuit of perfection and quality that is the heart of the practice known as Six Sigma.…

Read More## How Long Does it Take to Get Lean Six Sigma Black Belt Certified?

Lean Six Sigma benefits are numerous and achieved by the businesses that use it and the individuals who practice it.

Read More## Lean Six Sigma Benefits

Lean Six Sigma benefits are numerous and achieved by the businesses that use it and the individuals who practice it.

Read More## Lean Six Sigma Problem Solving and the D.M.A.I.C Methodology

project management approach to discovering the Y=f(x) equation, where the “Y” is the measure of that thing you’re trying to improve, and the “x’s” are “influencing” (good or bad) that “Y’s” output.

Read More## Lean Sigma Corporation Approved as Registered Education Provider by Project Management Institute

Charlotte, North Carolina, USA – March 28, 2016 Lean Sigma Corporation today announces that the Project Management Institute (PMI), the world’s largest project management member association, has named it as a Registered Education Provider (R.E.P.) effective April 1, 2016 R.E.P.s are organizations that have been approved by PMI to help project managers achieve and maintain…

Read More## EWMA Chart with JMP

What is EWMA Chart? The EWMA chart (Exponentially-Weighted Moving Average Chart) is a control chart monitoring the exponentially-weighted average of previous and present subgroup means. The more recent data get more weight than older data. It detects the shift of the process mean from the process target over time. The underlying distribution of the EWMA…

Read More## EWMA Chart with Minitab

What is an EWMA Chart? The EWMA chart (Exponentially-Weighted Moving Average Chart) is a control chart monitoring the exponentially-weighted average of previous and present subgroup means. The more recent data get more weight than older data. It detects the shift of the process mean from the process target over time. The underlying distribution of the…

Read More## CumSum Chart with JMP

What is a CumSum Chart? The CumSum chart (also called cumulative sum control chart or CUMSUM chart) is a control chart of monitoring the cumulative sum of the subgroup mean deviations from the process target. It detects the shift of the process mean from the process target over time. The underlying distribution of the CumSum…

Read More## CumSum Chart with Minitab

What is a CumSum Chart? The CumSum chart (also called cumulative sum control chart or CUSUM chart) is a control chart of monitoring the cumulative sum of the subgroup mean deviations from the process target. It detects the shift of the process mean from the process target over time. The underlying distribution of the CuSum…

Read More## Creating an NP Chart with JMP

Creating an NP Chart with JMP What is NP Chart with JMP? The NP chart with JMP is a control chart monitoring the count of defectives using JMP statistical software to produce the results. It plots the number of defectives in one subgroup as a data point. The subgroup size of the NP chart is…

Read More## NP Chart with SigmaXL

What is an NP Chart with SigmaXL? The NP chart with SigmaXL is a control chart monitoring the count of defectives. It plots the number of defectives in one subgroup as a data point. The subgroup size of the NP chart is constant. The underlying distribution of this control chart is binomial distribution. Plot an…

Read More## NP Chart with Minitab

What is a NP Chart? The NP chart is a control chart monitoring the count of defectives. It plots the number of defectives in one subgroup as a data point. The subgroup size of the NP-chart is constant. The underlying distribution of this control chart is binomial distribution. Use Minitab to Plot an NP Chart…

Read More## Xbar S Chart with JMP

What is a Xbar S Chart? The X-S chart (also called Xbar S chart) is a control chart for continuous data with a constant subgroup size greater than ten. The Xbar chart plots the average of a subgroup as a data point. The S chart plots the standard deviation within a subgroup as a data…

Read More## Xbar S Chart with SigmaXL

What is a Xbar S Chart with SigmaXL? The Xbar S chart with SigmaXL (also called X-S chart) is a control chart for continuous data with a constant subgroup size greater than ten. The Xbar chart plots the average of a subgroup as a data point. The S chart plots the standard deviation within a…

Read More## Xbar S Chart with Minitab

What is a Xbar S Chart? The X-S chart (also called Xbar S chart) is a control chart for continuous data with a constant subgroup size greater than ten. The Xbar chart plots the average of a subgroup as a data point. The S chart plots the standard deviation within a subgroup as a data…

Read More## Mann Whitney Testing with JMP

What is Mann Whitney Testing with JMP? Mann Whitney testing with JMP (also called Mann–Whitney U test or Wilcoxon rank-sum test) is a statistical hypothesis test to compare the medians of two populations that are not normally distributed. In a non-normal distribution, the median is the better representation of the center of the distribution. Null…

Read More## One Way ANOVA with JMP

What is One Way ANOVA? One way ANOVA is a statistical method to compare means of two or more populations. Null Hypothesis(H0):): μ1 = μ2 …= μk Alternative Hypothesis(Ha): At least one μi is different, where i is any value from 1 to k It is a generalized form of the two sample t-test since…

Read More## Two Sample Proportion Test with SigmaXL

What is the Two Sample Proportion Test with SigmaXL? The two sample proportion test with SigmaXL is a hypothesis test to compare the proportions of one certain event occurring in two populations following the binomial distribution. Null Hypothesis(H0): p1 = p2 Alternative Hypothesis(Ha): p1 ≠ p2 Two Sample Proportion Test Assumptions The sample data drawn…

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