What is the chi-squared test? The chi-squared test, often written as χ 2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are ...
In Hypothesis Testing 1, 2 and 3, you have used normal and t-distributions to test hypotheses. Chi-Square tests use the Chi-Square probability distribution. You will be introduced to the use of that ...
Lecture Notes-Monograph Series, Vol. 36, State of the Art in Probability and Statistics (2001), pp. 399-418 (20 pages) We study soft threshold estimates of the non-centrality parameter ξ of a ...
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