Reduced chi-squared statistic
Test statistic / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Reduced chi-squared statistic?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
In statistics, the reduced chi-square statistic is used extensively in goodness of fit testing. It is also known as mean squared weighted deviation (MSWD) in isotopic dating[1] and variance of unit weight in the context of weighted least squares.[2][3]
This article may be too technical for most readers to understand. (April 2021) |
Its square root is called regression standard error,[4] standard error of the regression,[5][6] or standard error of the equation[7] (see Ordinary least squares § Reduced chi-squared)