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degrees of freedom |
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degrees of freedom (df), a statistical measure of the number of independent observations or choices among members in a sample. It is used in determining the statistical significance of findings during data analysis. degrees of freedom (df), n.pl a statistic, based on the number of observations and groups in a study, that is necessary to determine statistical significance. One looks up the degrees of freedom and the significance level in a table of significance values to determine if the magnitude of the value obtained is significant. Used with the t-test, chi square, analysis of variance, and correlation. degrees of freedom used to define statistical distributions of several tests, usually based on the number of data items less the number of parameters estimated. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Within these confines of the institution, he has a high degree of freedom and busies himself in the woodworking shop and other facilities. Although formal education is not universally available, especially in the developing world, a greater degree of freedom for women would elicit productive discussions about taboo or sensitive issues, such as sexuality, condom use and HIV/AIDS. Presented results are limited to the 2 degrees of freedom spline fits because they usually resulted in the largest gains and lowest probability values, although results were similar for the 3 and 4 degree of freedom spline fits. |
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