chi-square test

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chi-square test:

see statisticsstatistics,
science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group.
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chi-square test

[′kī ¦skwer ′test]
(statistics)
A generalization, and an extension, of a test for significant differences between a binomial population and a multinomial population, wherein each observation may fall into one of several classes and furnishes a comparison among several samples instead of just two.
References in periodicals archive ?
The result of the chi-square statistics in Table 4 shows that there is no significant difference ([X.sup.2] = 6.148, N =114, df =8, p = 0.631) in their ability in locating and accessing resources.
Chi-square statistics showed a significant association of radicular cysts with anterior of maxilla (x2= 10.369, p= 0.005), dentigerous cysts with molar area of the mandible (x2= 10.917, p= 0.004) while other odontogenic cysts were statistically not associated with location of the jaw.
Data were analyzed using Chi-square statistics. Nurses' perceptions of both job ease ([chi square] = 13.33, p < 0.0001) and patient feedback ([chi square] = 10.31, p = 0.001) were significantly higher with protocol use.
Table 3 presents the percentage of White and Black student-athletes that rated listed reasons as important for use of alcohol in the past year and Chi-square statistics. Significantly more White than Black student-athletes rated to celebrate, my teammates or friends were drinking, to have more fun, to meet people, to get drunk, to relax / lower my inhibitions, and my team's dry season had just ended as important reasons for use of alcohol in the past year.
Chi-square statistics test the hypothesis whether the row and column variables in a cross tabulation are independent or not.
The chi-square statistics obtained in the low- and high-performance groups enable the user to determine whether the DIF is uniform or non-uniform.
Measurement methods used are Jaccard's Coefficients and Spearman's Correlation Coefficients (Fontes et al., 2005), Euclidean Distances (Fontes et al., 2005), (Garrido, et al., 2002), H index and C index (van der Tas, 1988, 1992b), and Chi-square statistics (Cooper & Schindler, 2001).
Chi-Square (1) and Likelihood Ratio Chi-Square statistics (2) can be written with the following equations:Where, f, observed frequency and f i , expectedfrequency (Eyduran, 2008).
It was detected by Pearson Chi-square statistics whether there is a significant relationship between setter length and game result as both of the parameters are categorical.
HCV patients were compared to HCV-negative individuals and controls without liver disease using Rao-Scott chi-square statistics.