Using 2 Proportions Test with SigmaXL

by | Oct 24, 2023 | Statistics, Best Practices, Business Transformation, Change Management, Continuous Improvement, Data Collection, Defining Problem, Lean Six Sigma, Organizational Leadership, Problem Solving, Sigma XL, Six Sigma, Standardization, Sustainable Process, Ways of Working

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

by | Sep 26, 2023 | Sigma XL, Best Practices, Business Transformation, Change Management, Coaching, Continuous Improvement, Culture, Data Collection, Defining Problem, Employee Engagement, Growth, Leadership, Leading Change, Lean, Lean Six Sigma, Manufacturing, Motivation, Organizational Leadership, Politics, Problem Solving, Six Sigma, Statistics, Sustainable Process, Teamwork, Ways of Working

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...

Hypothesis Testing: Looking for Statistical Significance

by | Jul 14, 2023 | Standardization, Best Practices, Business Transformation, Continuous Improvement, Data Collection, Defining Problem, Growth, Leadership, Leading Change, Lean, Lean Six Sigma, Manufacturing, Motivation, Organizational Leadership, Problem Solving, Project Management, Quality Control, Sigma XL, Six Sigma, Statistics, Sustainable Process, Teamwork, Ways of Working

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...