ANOVA

Analysis Of Variance (ANOVA) in short sleeved English!
Since I have started publishing articles about Statistical Analysis on the Internet, I have received a lot of questions about the Analysis Of Variance. There seem to be confusion between Regression Analysis and ANOVA and some readers fail to grasp the purpose of ANOVA because of the technical lingo that generally mires articles pertaining to that subject.
The purpose of this article is to present the Analysis Of Variance under less confusing auspices, in plain English.
By Issa Bass

Analysis Of Variance (ANOVA)
ANOVA is a basic step in the Design Of Experiment (DOE), which is a powerful statistical tool aimed at statistically quantifying interactions between independent variables through their methodical modifications to determine their impact on the predicted variables. By Issa Bass

Analysis Of Means (ANOM)
The Analysis of Variance (ANOVA) is a good tool to determine if there is a difference between several sample means but it does not determine where the difference comes from, what samples are so disparate that the null hypothesis has to be rejected.
The Analysis Of Means is a lot simpler and easier to conduct than ANOVA and it provides an easy to interpret visual presentation of the results. By Issa Bass

 
Design Of Experiment - A Tutorial For Those Who Do not Speak Mathematics Or Statistics And A Refresher For The Rest Of Us
The best operations decisions are the result of a strategic thinking that consists in conducting several experiments, combining relevant factors in different ways to determine which combination is the best. That process is known in statistics as Design Of Experiment (DoE). By Issa Bass

 

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