Correlation coefficients: How many decimal places to use?

That is an interesting question that Jacob Cohen’s addressed in Things I have learned (So Far) He writes: “A less …

Crimes Against Matrices

Professor Stephen Boyd has a nice summary of Crimes Against Matrices. Are you guilty of one?

Hey SEOs. Read This: Is a Sample Size of 30 all You Need?

That was the question that Dr. Chuck Chaprakani addressed in this interesting article. It reminds me of Jacob Cohen’s Things I …

Things to come: Q-Q Normality Test Tutorial

I’ve been very busy putting together an article to be submitted to a research journal on Statistics. I hope soon to …