Six Sigma Regression Sum – ANOVA If you don’t have minitab, no problem. Microsoft Excel does provide powerful statistical analysis. Try this tool to get a simple regression sum ANOVA. While it’s not as complete […]
A Simple Analysis of Variance (ANOVA) in Excel One of the most important steps in any Six Sigma project is the ANOVA or Analysis of Variance. ANOVA is found in the Analyze phase of the […]
A Simple Approach to Explaining the Degrees of Freedom We, as Statisticians, Six Sigma Belts and Quality Practitioners have utilized the term degrees of freedom as a part of our hypothesis testing, such as the […]
Use of Equal Variance Assumption with ANOVA The equal variance assumption is important in statistics because it applies to two of the most widely used tools, the two-sample t-test, and Analysis of Variance (ANOVA). Both […]
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