mean difference


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mean difference

[′mēn ′dif·rəns]
(statistics)
The average of the absolute values of the n (n- 1)/2 differences between pairs of elements in a statistical distribution that has n elements.
References in periodicals archive ?
But such a mean difference was not statistically significant (t=2.
In the case of male children, Australian boys in the 5-6 year-old age group showed the greatest mean difference of 0.
66), cardiac events, exercise capacity (standardised mean difference -0.
Results are reported as the weighted mean difference and the 95% confidence interval (CI) of the changes in each haemodynamic variable between the treatment and placebo groups.
A random-effects model was used to calculate the weighted mean difference (WMD) and 95% CIs as the difference between the mean for the glucomannan and control groups.
The latter associates the mean difference between the two methods for a certain spatiotemporal outcome measure and the 95 percent limits of agreement (LoA) to the mean value calculated from both methods.
Results revealed that there was a significant mean difference between sophomore (M = 2.
of staples Observed Estimated Mean difference Observed Estimated (lb.
Overall, the mean difference in nucleotide composition between all the isolates was 18 [+ or -] 1 nt variations within the whole genomes, thus confirming the genetic conservation observed previously (9).
For the resistance index measure, there is a negligible mean difference indicating that there is minimal bias between the two sets of observations and that they agree excellently on average.