Sentence examples for by two standard deviations from inspiring English sources

For each participant, the RTs for the sixteen trials for each representation type, after the removal of outliers that deviated from the mean by two standard deviations, were pooled for statistical analyses.

All covariates were standardized by mean-centering and dividing by two standard deviations to control for the influence of different scaling factors in our predictor variables, and analyses were weighted by total pool size (in bp) to control for potential differences in variance estimates.

The significance of this possibility was analyzed by conducting simulations in which the growth of a high-thinning spruce stand was reduced during 5 post-thinning years by decreasing the random stand effect of the diameter increment model (by two standard deviations).

But a serious car accident at 19 damaged her brain and her IQ dropped by two standard deviations.

Results exceeding the mean of the controls by two standard deviations were considered to be seropositive.

Fluorescence intensity values for cellular genes that exceeded this threshold by two standard deviations were regarded as significant expression signals.

The minimum sample size 'N' for the study was based on the incidence of SGA delivery being one of the major outcome criteria and was estimated from the formula: [ 15, 16] N = 4 Zcrit 2 p 1 − p ÷ D 2 Where : 'Zcrit' is the fraction of area under a normal distribution curve covered by two standard deviation (2SD) on either sides of the mean.

"It was always two thousand," he told me, and later estimated that, by this standard, the Marlins not only were the least popular baseball team ("by three standard deviations") but ranked a hundred and twenty-fifth among pro sports franchises nationally, below all the hockey teams, and below even a handful of minor-league teams.

David Samson, the team's president, told McGrath that in recent years, the Marlins averaged only two thousand season-ticket holders: By this standard, the Marlins not only were the least popular baseball team ("by three standard deviations") but ranked a hundred and twenty-fifth among pro sports franchises nationally, below all the hockey teams, and below even a handful of minor-league teams.

This criterion is equivalent to being worse than the average performance by three standard deviations, a statistical measure of distance from the mean or average.

In comparison, BMD would have to decrease by three standard deviations to achieve an equivalent increase in risk [ 8].