chi-square statistic


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chi-square statistic

[′kī ¦skwār stə‚tis·tik]
(statistics)
A statistic which is distributed approximately in the form of a chi-square distribution; used in goodness-of-fit.
References in periodicals archive ?
Table 1 presents the percentage of Male and Female student-athletes that rated listed reasons as important for use of alcohol in the past year and Chi-square statistics.
Applying a Breusch-Pagan test to the model in Equation 3 yields a chi-square statistic of 1035; the .
A comparison of the response rates of Marlboro and Newport smokers yielded a chi-square statistic of 10.
The percentages of users and nonusers indicating each of the four problems are given in Table 5, along with chi-square statistics for significant differences between users and nonusers.
The Wald Chi-square statistic that the coefficients are equal and of opposite sign is 4.
The chi-square statistic was at its minimum and the p-value was non-significant.
The value taken by the chi-square statistic also reflects that the models (1.
The last two columns of Tables 2 present the Chi-Square statistic and the P-value for each of the categories to test for a significant difference in the four performance categories.
In performing the current analyses, six statistics reflecting fit were reported: the chi-square test statistic; the ratio of chi-square statistic to degrees of freedom; the root mean square error of approximation; the Tucker Lewis Index, also known as the Non Normed Fit Index; Weighted Root Mean Square Residual; and the Comparative Fit Index as appropriate.
Traditionally the chi-square statistic was used to assess the overall fit of the data to the postulated models.
The chi-square statistic is simply the sum of the last column in the table given in Step 2, or 2 [(Obs-Exp).
The MH common odds ratio was calculated along with the MH chi-square statistic for each person.