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The Counts menu selection has four tests that can be performed for simple frequency data. The chi-square test is used to analyze a contingency table consisting of rows and columns to determine if the observed cell frequencies differ significantly from the expected frequencies.
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www.statpac.com/statistics-calculator/counts.htm
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Purpose of Chi Square ... The One-Way Classification (or sometimes referred to as the Single Sample Chi Square Test) is one of the most frequently reported nonparametric tests in journal articles. The test is used when a researcher is interested in the number of responses, objects, or people that fall in two or...
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www.okstate.edu/ag/agedcm4h/academic/aged5980a/5980/new...
www.okstate.edu/ag/agedcm4h/academic/aged5980a/5980/newpage28.htm
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X2: a version of to test expected distribution ... If chi-square is "a lot" bigger than expected something is wrong. Thus one purpose of chi-square is to compare observed results with expected results and see if the result is likely.
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www.physics.csbsju.edu/stats/chi-square.html
www.physics.csbsju.edu/stats/chi-square.html
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Some general purpose statistical software programs, including Dataplot, provide a chi-square goodness-of-fit test for at least some of the common distributions.
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www.itl.nist.gov/div898/handbook/eda/section3/eda35f.ht...
www.itl.nist.gov/div898/handbook/eda/section3/eda35f.htm
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A chi-square test ( Snedecor and Cochran, 1983) can be used to test if the standard deviation of a population is equal to a specified value. This test can be either a two-sided test or ... The chi-square test for the standard deviation is available in many general purpose statistical software programs, including Dataplot.
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www.itl.nist.gov/div898/handbook/eda/section3/eda358.ht...
www.itl.nist.gov/div898/handbook/eda/section3/eda358.htm
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Chi-square test - Wikipedia, the free encyclopedia
A chi-square test (also chi-squared or \chi^2 test ) is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi-square distribution when the null h...
en.wikipedia.org/wiki/Chi-square_test
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The chi-square test is the most commonly used test for the randomness of data, and is extremely sensitive to errors in pseudorandom sequence generators. ... Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, without any conditions...
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Chi-square is a family of distributions commonly used for significance testing. The most common variants are the Pearson chi-square test and the likelihood ratio chi-square test. Significance testing, of which chi-square tests are a type, is also treated in a ... No, a different procedure is needed for that purpose.
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faculty.chass.ncsu.edu/garson/PA765/chisq.htm
faculty.chass.ncsu.edu/garson/PA765/chisq.htm
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The reason this test is so useful is because psychologists often use qualitative data. However, note that we are not dealing here with qualitative research methods. In terms of methodology, the chi-square test belongs on the quantitative side of the divide. ... Whatever the purpose, multi-category classification is...
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web.uct.ac.za/depts/psychology/psy300/lectur22.html
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