Additional tests of differences in means between HTIs on each of the exam types found scores differ significantly by training institute (not shown).> -wrap-foot> Inter-quartilerange range; SD: standard deviation.
Differences in means between age groups and across survey years were compared.
Column (5) reports the p-value of the test for differences in means between winners and non-winners.
Differences in means between two groups were assessed by Student's t test, and differences in proportions by Fisher's exact test.
SPSS v11.5 was used; frequency analysis performed with non-parametric tests, hypothesis on differences in means between groups tested by independent samples t test.
Before proceeding to the DD results, it is first informative to simply compare raw differences in means between recent graduate stayers and leavers from large metropolitan areas.
These results were also supported by a two-sided one-sample t test of the differences in means between the original and the thinned datasets (results not shown).
Weighted differences in means between SU and GMW were then computed to test if the propensity scores achieved reasonable balance among observables between SU and GMW [2, 4, 8, 9].
We can see in Table 1 that, as suspected, there exist significant differences in means between almost all characteristics of young women who rely on grandparents to mind their children and their counterparts.
Eight of the twelve items included in the teacher questionnaires revealed significant differences in means between former and current teachers, as seen in the first column of Table 1, reflecting 'real' differences rather than products of chance.
The Chi-square test was applied to detect any significant differences in means between pastoral and peri-urban systems and Fisher's exact test used where 50% of the cells had expected counts less than 5.
