Abstract
Previously we have assumed that the correct type of distribution (e.g. normal, binomial, Poisson, etc.) for each problem was known. Obviously it is better to have some test available to determine quantitatively whether a set of observations really could come from a given (or a hypothetical) distribution. Karl Pearson in 1899 by using properties of the χ2 distribution (see Section 8.6) devised the ‘χ2 test’ for this purpose (there are other tests, but of a more specialized nature).
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© 1966 C. Mack
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Mack, C. (1966). The χ2-test for ‘goodness of fit’: test for ‘association’. In: Essentials of Statistics for Scientists and Technologists. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8615-9_11
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DOI: https://doi.org/10.1007/978-1-4615-8615-9_11
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