Sentences with phrase «measuring deviations from»

Lasers will track their movement, measuring any deviations from their expected path.
Bell encouraged the young experimenter: if by chance Clauser did manage to measure a deviation from the predictions of quantum theory, that would «shake the world!»
Climate scientists only measure the deviation from the average which they call the anomaly.
You'd be pretty amazing if you could measure the deviation from a straight line of a path segment with that length and curvature.

Not exact matches

These measures are presented as percentage deviations from their respective norms.
, Jedrzej Bialkowski, Martin Bohl, Patrick Stephan and Tomasz Wisniewski measure deviations of actual gold price from its fundamental value to identify gold bubbles.
After the third longest bull market advance on record, fresh deterioration in key trend - following components within our measures of market internals (see Support Drops Away) recently joined this extended, overvalued, overbought, overbullish peak, even as the S&P 500 hovers at the top of its monthly Bollinger bands (two standard deviations above the 20 - period average) and cyclical momentum rolls over from a 9 - year high.
They measure changes in analyst earnings forecast dispersion (standard deviation divided by mean) based on data from I / B / E / S as the difference between current dispersion and dispersion two months ago.
Standard Deviation is a measure of the degree to which a fund's return varies from its previous returns, or from the average of all similar funds.
Standard deviation is considered a measure of volatility, representing deviation of a set of data from a mean.
Moreover, «there is particularly high uncertainty about measuring the deviation of output from its potential,» and the values of the coefficients, a and b, in Taylor's rule need to be specified.
If we can create a script for belief, we can measure adherence to or deviation from it.
Any deviations the Event Horizon Telescope measures from the predictions of general relativity have the potential to challenge our understanding of black hole physics.
When we measure the forces between distant galaxies more accurately, will we find deviations from Newton's laws, as Milgrom suggests?
Previous experiments with beams and containers appeared to give sharply different neutron lifetimes, the most precise measurement using a bottle trap differs by almost four standard deviations from that measured in a beam.
«It's a way to monitor climate change by continuing to measure the deviation [of the MPP] from what we have seen in the past,» she says.
Price's device was so responsive it could measure a disturbance a billionth the weight of a single grain of sand, but the researchers could find no deviation from Newton's laws of gravity with the reeds separated by a distance of only 0.108 millimeter (1/250 of an inch).
It also sets a benchmark of measurements, because they'll measure it to that greater precision they already have and therefore any deviations from those predictions would be more significant.
In most cases they simply look at a cross-section of the population, measure their cortisol levels, and set the reference range at 2 standard deviations from the mean.
We conducted our analysis alternately using absolute student achievement, measured with statewide mean SAT scores for the 1989 — 90 school year and the mean high - school dropout rate calculated from 1990 census data, and with a second measure that represents the deviation of actual achievement from expected student performance.
On most measures of student performance, student growth is typically about 1 full standard deviation on standardized tests between 4th and 8th grade, or about 25 percent of a standard deviation from one grade to the next.
We included administrative data from teacher, parent, and student ratings of local schools; we considered the potential relationship between vote share and test - score changes over the previous two or three years; we examined the deviation of precinct test scores from district means; we looked at changes in the percentage of students who received failing scores on the PACT; we evaluated the relationship between vote share and the percentage change in the percentile scores rather than the raw percentile point changes; and we turned to alternative measures of student achievement, such as SAT scores, exit exams, and graduation rates.
A simple cost calculation gives the improvements in student achievement (measured again in standard deviations) that could, by the Picus and Odden estimates of benefits, be expected for a $ 100 addition to spending per pupil from each of the separate programs.
Even if we take the smallest impact estimate from our analysis (a 1.72 percentile improvement in reading scores, which corresponds to a 0.06 standard deviation increase), the economic benefits measure in the range of # 1,375 to # 3,581 over the course of a recipient's lifetime.
The approach adopted by Jacobsen would suggest that it has: measured as a share of the 8th - grade standard deviation, the black - white gap has declined from two standard deviations to one.
Standard deviation is considered a measure of volatility, representing deviation of a set of data from the mean.
Standard deviation is considered a measure of volatility, representing deviation of a set of data from a mean.
Volatility is measured by standard deviation, which indicates how much a portfolio's returns vary from year to year.
From 1980 through 2017, a theoretical index portfolio with equal amounts of Canadian bonds, Canadian stocks, U.S. stocks and international stocks returned 10.3 % annually with a standard deviation — a measure of volatility — of 11.6 %.
However, the Sortino Ratio only includes downside risk which is measured as a deviation (downside deviation) from the norm or minimum acceptable return (MAR).
Dear Akash, Given a choice, I will invest in Tata Ethical Plan A Fund.The Standard deviation which measures the volatility of the returns from a mutual fund scheme is low for TATA fund when compared to Mirae's.
Standard Deviation measures the dispersion of a set of data from its mean and is used to measure the volatility of an investment.
* Volatility (measured by standard deviation) for MARKIT CDX.NA.HY 5 - year TOTAL RETURN INDEX, a benchmark for the high yield CDS market, has from its 2007 inception through June 30, 2014 ranged from 6 % to 14 % compared to 4 % to 16 % for the Barclays U.S. Corporate High Yield Index and 11 % to 46 % for the S&P 500 ®.
Annualized standard deviation is a measure of the dispersion of a set of data from its mean.
Convexity measures the deviation of a bond's price / yield curve from a straight line; that is, convexity measures the degree of curvature of the price / yield relationship.
Volatility can either be measured by using the standard deviation or variance between returns from that same security or market index.
(Standard deviation measures volatility: the higher the number, the more returns vary from year to year.)
It measures the degree to which the deviations of one variable from its mean are related to those of a different variable from its respective mean.
Standard Deviation (StdDev (x)-RRB- Now that we have calculated the excess return from subtracting the risk - free rate of return from the return of the risky asset, we need to divide this by the standard deviation of the risky asset being Deviation (StdDev (x)-RRB- Now that we have calculated the excess return from subtracting the risk - free rate of return from the return of the risky asset, we need to divide this by the standard deviation of the risky asset being deviation of the risky asset being measured.
When you see academic studies analyzing how many stocks you need for proper diversification what they are usually measuring is a portfolio's expected standard deviation from the index.
Volatility refers to standard deviation, a statistical measure that captures the variations from the mean of a stock's returns and that is often used to quantify risk over a specific time period.
Standard deviation is a measure of a security's historic volatility — the degree of a data set's dispersion from its mean.
An effective and common method to measure the deviation of investment returns from the average is the standard deviation of returns.
Your bonds are now down from 100 % of your portfolio to 12 %, and the amount of risk (measured in standard deviation) has increased about three fold.
Standard deviation is a measure of the volatility, or how far away from the mean the outcomes will be based on probability.
No there isn't a concern about the IPCC model and the small deviations from the measured temperature evolution during the period around 1970 - 1985.
Even if you leave climate science completely out of it and just measure extreme temperatures, the statistical record of global temperatures shows that three - standard deviation events have increased from 0.25 % of the time (from 1951 - 1980) to 10 % of the time now.
NCGCP routinely measured the snow density using a SIPRE corer at several location on each glacier each year, but has, to this date, found no deviation from the above noted range.
The fact that you can find the standard deviation of a set of non-random numbers doesn't tell you anything helpful when it comes to measuring actual temperature within tenths of a degree from historical data based on antiquated equipment with little control over the method of collection and huge gaps in the areas measured.
The mean estimates for the 2010 September Sea Ice Outlook based on May, June, and July data were close to the observed value with a rather small quartile distribution (as a measure of deviation from the mean).
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