Sentences with phrase «standard normal curve»
But the larger populace is like standard normal curve.
http://religion.blogs.cnn.com/ Not exact matches
He tests this approach by matching actual yield curve data with standardized (normal) R and C distributions that both have zero mean and standard deviation one (such that standardized R and C may be negative).
The sensitivity and reproducibility of real - time PCR for each target gene were determined by spiking normal tissue samples with known numbers of spirochetes to establish standard curves.
The CTBA report ignores entirely previous research from the Brookings Institution, a random - assignment study — the gold standard of social science research — that found voucher students in Milwaukee scored six Normal Curve Equivalent points higher than the control group in reading and 11 points higher in math.
With a normal distribution of performance (the classic bell curve), a standard deviation is simply a more precise measure of how spread out the distribution is.
This conversion uses the effect size — in the case of the D.C. voucher program, -0.12 standard deviations — to find the equivalent percentile drop from the 50th percentile on a normal curve.56
Re # 49 the normal bell curve can look exponential between -2 and -1 standard deviations, so extrapolate with care.
If the temperature anomaly follows a normal Gaussian curve, the number of data points that are more than one standard deviation (abbreviated as σ) from the average can be calculated.
We illustrate observed variability of seasonal mean surface air temperature emphasizing the distribution of anomalies in units of the standard deviation, including comparison of the observed distribution of anomalies with the normal distribution («bell curve») that the lay public may appreciate.
In my experience as a family law lawyer, however, it has seemed to me that the bell curve modeling the impact of legislation on my clients has perhaps a higher standard of deviation than the norm, giving the bell curve a greater population at the extremes and thus fatter tails than suggested by the normal distribution; in other words, my impression is that quite a bit more than 5 % of separating couples experience an unfair or very unfair result from the application of family law legislation.
It is my very strong belief that if we picture the normal bell curve (below) and look at the portions to the left of the -1 and to the right of the 1 standard deviation (SD) delineations, we can see that these are two very important ends of the spectrum.