Using 2 Proportions Test with SigmaXL

Using 2 Proportions Test with SigmaXL A 2 Proportions Test is a statistical procedure used to validate if two independent groups have significant differences in their proportions. We can use this test to compare, for example, if the proportion of one group is...

Using Histograms & Descriptive Statistics to Investigate Process Data

Using Histograms & Descriptive Statistics to Investigate Process Data A simple summary of descriptive statistics is often the first step in investigating what the data have to say about the process being studied during process improvement initiatives. Questions...

What Is a Discovery Assessment & Why Is It Important?

What Is a Discovery Assessment & Why It Could be Right for You A discovery assessment is a structured process that aims to gather information and insights broadly about an organizational function, or more specifically, about a known challenge or pain point. It...

Top 3 Root Cause Analysis Techniques To Help Solve Problems

3 Key Root Cause Analysis Techniques Root Cause Analysis (RCA) is a process used to identify a problem or unexpected occurrence, such as a product not being received as expected. There are multiple ways to conduct a root cause analysis, but the ultimate aim is to...

What To Look For In A Process Improvement Practitioner

What To Look For in a Process Improvement Practitioner When looking for a process improvement practitioner, there are several key qualities and skills for consideration. Some key areas to focus on, but not limited to, are:  Strong Analytical and Problem-Solving...

Hypothesis Testing: Looking for Statistical Significance

Hypothesis Testing: Looking for Statistical Significance Hypothesis Testing is a statistical procedure that looks into proving (or not) a constructed hypothesis. Also known as Significance Tests, they are powerful in investigating and validating changes in central...