What is Dixon's Q test? Definition, Q Table and step by step examples. How to run the Q test in simple steps. Stats made easy!. In statistics, Dixon's Q test, or simply the Q test, is used for identification and rejection of outliers. This assumes normal distribution and per Robert Dean and Example · Table. Dixon's Q - test: Detection of a single outlier. Theory. In a set of replicate measurements of a physical or chemical quantity, one or more of the obtained values. Find the Q critical value in the Q table scroll to the bottom of the article for the table. Full instructions can be found on Using Stepchart. R, G, B, and Best live online casino luminanceexpressed as the percentage of the pixel level difference corresponding to a target density range of 1. Check out the grade-increasing book that's recommended reading at top universities! Where gap is the absolute difference between the outlier in question and the closest number to it. Tools What links here Related changes Upload file Special pages Permanent link Page information Wikidata item Cite this page.