by Lean 6 Sigma Hub | Apr 19, 2026 | Lean Six Sigma
Understanding whether your data follows a normal distribution is a critical step in many statistical analyses. One of the most effective visual tools for assessing normality is the normal probability plot, also known as a Q-Q plot (quantile-quantile plot). This...
by Lean 6 Sigma Hub | Apr 8, 2026 | Lean Six Sigma Basics
In the world of statistical analysis and quality improvement, understanding whether your data follows a normal distribution is crucial for making informed decisions. The Ryan-Joiner test stands as one of the most reliable methods for assessing normality, yet many...
by Lean 6 Sigma Hub | Apr 7, 2026 | Lean Six Sigma Basics
Understanding whether your data follows a normal distribution is a fundamental requirement in many statistical analyses. The Shapiro-Wilk test stands as one of the most powerful and widely used methods for assessing normality in datasets. This comprehensive guide will...
by Lean 6 Sigma Hub | Apr 6, 2026 | Lean Six Sigma Basics
Understanding whether your data follows a normal distribution is crucial for making informed decisions in quality control, process improvement, and statistical analysis. The Anderson-Darling test stands as one of the most powerful statistical tools for determining if...
by Lean 6 Sigma Hub | Nov 18, 2025 | DMAIC - Analyze Phase
In the world of data analysis and quality improvement, understanding the distribution of your data is not just a statistical nicety; it is a fundamental requirement for making sound decisions. Normality testing, the process of determining whether your data follows a...