Search results with tag "Normal probability plots"
The normal distribution assumption and other assumptions.
mason.gmu.eduA lot of people don’t like “tests” of normality. In all cases you're trying to prove the H0, which is impossible! We won’t be covering them in this class, but if you ever do need to use ... QQ plots (sometimes called normal probability plots) - probably the best method for figuring out if something's normal. II. Making Q-Q plots ...
Point-Biserial and Biserial Correlations - NCSS
ncss-wpengine.netdna-ssl.comTests of Normality and Equal Variance ... The histograms and normal probability plots help you assess the viability of the assumption of normality within each group. Title: Point-Biserial and Biserial Correlations Author: NCSS, LLC Created Date: 12/30/2020 10:21:38 AM ...
ASQ Six Sigma Green Belt Study Guide - Six Sigma Study Guide
sixsigmastudyguide.comas histograms, normal probability plots, etc. (Create) 4. Probability distributions. Describe and interpret normal, binomial, and Poisson, chi square, Student’s t, and F distributions. (Apply) 5. Measurement system analysis. Calculate, analyze, and interpret measurement system capability using repeatability and reproducibility (GR&R), measurement