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What is the power of a statistical test and why use it?

Power is the probability of making a correct decision (to reject the null hypothesis) when the null hypothesis is false.

To determine it, one needs to […]

The National Institute of Standards and Technology (NIST) has spent decades developing and maintaining the most comprehensive, free guide for statistical analysis available.

While the intended audience is […]

ISSSP, the non-profit International Society of Six Sigma Professionals, providing resources for Lean, Six Sigma, and Operational Excellence practitioners, is proud to announce its June webinar.

We are honored […]

First, let’s review the objectives of each DMAIC step.

D: Define (Establish project purpose and scope, background on process and customer)
M: Measure (Quantify existing process performance)
A: Analyze ( […]

Discrete Event Simulation can be defined as a mathematical or logical model of a system that portrays that system’s state changes at given points in simulated time.

What are some of the benefits of s […]

Simpson’s paradox occurs when a trend appears in several different groups of data but disappears or reverses when the data from these groups are combined.

In this video, Guillaume Riesen, currently a Ph.D. […]

How well do your inspectors agree with one another? How well do they agree with a standard?

What about people who review documents? How would several reviewers rate the same document? Do they agree with one […]

ISSSP, the non-profit International Society of Six Sigma Professionals, providing resources for Lean, Six Sigma, and Operational Excellence practitioners, is proud to announce its May webinar.

We are honored to […]