by Ramon Perdigao | 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...
by Ramon Perdigao | 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...
by Ramon Perdigao | 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...
by Ramon Perdigao | May 25, 2023 | Visual Management, Best Practices, Business Transformation, Change Management, Coaching, Continuous Improvement, Control Charts, Data Collection, Digital Transformation, Lean, Lean Six Sigma, Problem Solving, Sustainable Process, Uncategorized, Visual Management Boards
Using Boxplots for Data Visualization and Process Insights What Are Boxplots Through the visual representation of a dataset, boxplots are very informative and very useful when comparing distributions between two or more processes. Essentially, boxplots summarize the...
by Ramon Perdigao | Feb 1, 2023 | Change Management, Coaching, Continuous Improvement, Culture, Digital Transformation, Employee Engagement, Feedback, Growth, Leadership, Lean, Lean Six Sigma, Sustainable Process, Uncategorized, Ways of Working
Baselining a Project Nearly almost all Lean Six Sigma projects that experience a successful outcome are based on an understandable, quantifiable, agreed-upon, data-collectable baseline. Lewis Carroll gave us the heads-up in Alice in Wonderland and George Harrison, the...
