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Results tagged with chi-squared-test
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user 67822
A test (typically of distribution, independence, or goodness of fit), for the family of distributions use [chi-squared-distribution].
3
votes
1
answer
432
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Proof MLE expected cell frequencies in chi-square test of homogeneity - the last step
The problem is from John A. Rice "Mathematical Statistics and Data Analysis" proof that in determining the estimate value for a given cell in a test of homogeneity the MLE is what our intuition would …
- 26.9k
22
votes
1
answer
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At What Level is a $\chi^2$ test Mathematically Identical to a $z$-test of Proportions?
BACKGROUND: Skip safely - it's here for reference, and to legitimize the question.
The opening of this paper reads:
"Karl Pearson’s famous chi-square contingency test is derived from another statist …
- 26.9k
11
votes
2
answers
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Why not always use a binomial exact test to compare two proportions instead of chi square?
I am trying to figure out what test I should use in the following scenario: I know that there is a lot of room for improvement in a specific area at work - being extremely critical, let's say that sam …
- 26.9k