Mann-Whitney test

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Mann-Whitney test

[¦man ′wit·nē ‚test]
(statistics)
A procedure used in nonparametric statistics to determine whether the means of two populations are equal.
References in periodicals archive ?
In the analysis of the data, independent group t-test and Mann-Whitney U test are used for determining the differentiation of students' self concepts according to the schools attended and genders.
The Mann-Whitney U test of two independent groups for nonparametric data was applied to analyze the ordinal data.
Most comparisons yielded no significant difference (Mann-Whitney U, p < 0.05).
Past studies have utilized the independent samples t-test or Mann-Whitney U test for comparing two separate groups based on their means.
Mann-Whitney U values for MMP7 and MMP13 are respectively 82.50 and 22.0 between case and control group, these values shows high statistical significance at 0.01 and < 0.001 levels respectively (Table: 1), The mean rank of urinary TIMP-1 value in our study was slightly higher in malignant cases (21.71) than in benign conditions (17.67), The Mann-Whitney U value of TIMP-1 between cases and controls is 134.0 which are not significant statistically.
According to the results Mann-Whitney U test to determine a possible correlation between the attendees' parental status and self esteem levels; a meaningful correlation between their parental status and self esteem levels was not encountered.
Gruplar arasi cinsiyet ve lateralite dagilimindaki farkliliklar ki-kare testi; yas dagilimindaki farklilik t testi; paramatreler arasindaki farkliliklar, verilerin normal dagilima uyup uymadigi Shapiro Wilk testiyle belirlendikten sonra gruplar non-parametrik test olan Mann-Whitney U testi ile incelendi.
In order to analyze the obtained data, descriptive statistics, Pearson product moment correlation coefficient and Mann-Whitney U test are used.
Wilcoxon Sign Rank test examined differences between pre and post test measures, and Mann-Whitney U examined between group differences using SPSS 11.00 (p [less than or equal to].05).
Tanimlayici istatistiksel metodlarin (ortalama, standart sapma ve median, minimum-maksimum) yani sira normal dagilim gosteren parametrelerin grup ici karsilastirmalarinda eslenmis sample t testi, normal dagilim gostermeyen parametrelerin grup ici karsilastirmalarinda ise Wilcoxon isaret testi; gruplar arasi karsilastirilmalarinda ise Kruskall Wallis ve Mann-Whitney U testleri kullanildi.
The Mann-Whitney U test was used for the statistical comparisons of values that were obtained for each immunohistologic parameter for skin biopsy specimens from patients with ATBF and patients with Mediterranean spotted fever; p<0.05 was considered significant.