chi-square test

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chi-square test

n.
A test that uses the chi-square statistic to test the fit between a theoretical frequency distribution and a frequency distribution of observed data for which each observation may fall into one of several classes.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chi-square test

n
(Statistics) statistics a test derived from the chi-square distribution to compare the goodness of fit of theoretical and observed frequency distributions or to compare nominal data derived from unmatched groups of subjects
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chi′-square`

(or chi′-squared`) test`,


n.
a test that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution.
[1935–40]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Data was analysed using SPSS 16.0 software and chi square test. The qualitative data were expressed as numbers (%)
Pearson's chi square test with 95% confidence interval (P<0.05) was used to identify the significant relation using SPSS version 22 (IBM Corp., 2013).
Chi square test was used to compare the significance of different age groups in frequency of pain relief in both occlusal reduction and no occlusal reduction group.
Chi square test was performed to find out the presence of statistical significance among the three groups (Dentists, Orthodontists, Lay persons) (Table 1-4).
After processing the data with the help of CHI SQUARE TEST, by comparing the two groups of subjects, we noticed substantial differences (p<0.05) of the following indicators: favorite activities (Q2), if they practice or not any kind of physical activity (Q3), they preferred space of doing it (Q6) and new opportunities for practicing sports (Q8).
The following are appended: (1) McCabe Academic Integrity Survey 2010: Screen Shot of Faculty Survey; (2) Modified Academic Integrity Survey; and (3) Chi Square Test of the First 42 Questions.
Treatment with PS was associated with a significant reduction in nasal symptoms and cough frequency (p < 0.05, Chi square test. Table 2).
Results of a 2 X2 Chi Square test revealed that 46.3.% of males chose physical attractiveness as a significant factor when choosing a long term mate in comparison to 37.5% of the females ([chi square] = 4.501; p=.034).
The undergraduate textbook explains measures of central tendency and variability, correlation coefficients, t tests, analysis of variance, the chi square test, and how to conduct a research study.
Finally, cross tabulation and chi square test was employed to determine whether the differences in the rating of the variables could be based on the size of firm, the amount of education and level of valuation experience of respondents.
The goodness of fit chi square test confirmed that these results are statistically significant ([chi square] = 49.26, df = 6, [rho] [less than or equal to] .0001).
A chi square test was used in analyzing the data to determine if there were significant differences between levels of assertiveness and participants' age, birth order, ethnicity, academic classification and prior history of counseling.