Sentences with phrase «of a standard deviation if»

Their scores drop by 5 percent of a standard deviation if they have a female teacher.

Not exact matches

If we take a look at the numbers another way, by price to sales, the average 2017 forward ratio is around 5.95 with a standard deviation of around 3.5.

The other thing is that even if the standard deviation were smaller, there's no way to know if the average of the future will resemble the average of the past.

Secondly, if you are trying to prove the average points and standard deviation of that data for Alex Smith's offense in 2016, then maybe don't include the Nick Foles games in your data.

If your growth is within the extremes of normal limits 2 1/2 standard deviations above and below the mean, if anybody knows what that means, then we're happIf your growth is within the extremes of normal limits 2 1/2 standard deviations above and below the mean, if anybody knows what that means, then we're happif anybody knows what that means, then we're happy.

Comparing their data with T2K's results and looking for inconsistencies in details such as the particles» energy spectra could show if there are any deviations from the standard model of particle physics, says Janet Conrad, a member of the Double Chooz neutrino experiment in Chooz, France.

Similarly, if replacing the lowest - ranked school in the survey with a top - quintile school, student test scores would improve by 0.39 of a standard deviation using a conventional VAM, and 0.53 of a standard deviation when using the MIT team's own VAM method.

Sometimes it's appropriate to discard outliers but only «if it is, let's say, within 3 to 4 standard deviations of the mean.

«Then, if the flash rate suddenly jumps to at least twice the standard deviation of that running average, there is a high probability the updraft in that cell has strengthened, a supercell is forming and severe weather is more likely with that storm.»

If you take the average person around here who says, «Yeah, I'm healthy» and you take a plus or minus standard deviation, the bottom of your reference range would be probably like zero.

A teacher in New York State is considered to be ineffective based on her students» test score growth if her value - added score is more than 1.5 standard deviations below average (i.e., in the bottom seven percent of teachers).

Students at high - poverty schools score 11 percent of a standard deviation higher on the cultural consumer scale if they were randomly assigned to tour the museum.

If all schools could be persuaded to switch to one of the top quartile textbooks, student achievement would rise overall by roughly.127 student - level standard deviations.

If, under the best of conditions, schools are still incapable of adding anything but a few fractions of a standard deviation to the academic achievement of students or to their lifetime earning trajectories, might it not make sense to freeze school spending and explore supplementary policy instruments?

It is clear that in a capitalist mixed economy predominantly state or predominantly private, the rationality in the operation of the economic system of a country can only be achieved in formulating goals (performance standard) and correction of deviations between what was planned and what was achieved if the State act in the governance of the system as a regulator of economic activity and as a mediator between the capitalists and civil society ensuring its participation in government decisions.

Even if the largest estimates of peer effects are correct, however, the improvement in peers» prior test scores would appear to benefit KIPP students» achievement only by about 0.07 to 0.09 standard deviations after four years at KIPP.

If the standard were to pay teachers an extra 1 percent of salary when they raise test scores by 2.5 percent of a standard deviation, then highly experienced teachers who post a 25 percent test - score advantage over rookies should be paid a 10 percent premium.

If a pair of school staff had a 30 percent chance of interacting about math, for example, our results show that if we moved those individuals 78 feet farther apart in the school building (or one standard deviation of distance), their likelihood of an interaction would decrease to 19 percent (see Figure 2If a pair of school staff had a 30 percent chance of interacting about math, for example, our results show that if we moved those individuals 78 feet farther apart in the school building (or one standard deviation of distance), their likelihood of an interaction would decrease to 19 percent (see Figure 2if we moved those individuals 78 feet farther apart in the school building (or one standard deviation of distance), their likelihood of an interaction would decrease to 19 percent (see Figure 2).

If one then assumes a cumulative impact from giving students not just a single application but continuing treatment through grade 12, the gains reach astronomical proportions, somewhere in the range of 23 to 57 standard deviations.

«Extensive research shows that... valid and reliable measures of teacher effectiveness,» have yet to be generated, she says, blithely putting on ignore important work by Thomas Kane, Eric Hanushek, and Raj Chetty and his colleagues, which shows that students learn in any given year somewhere between 10 and 20 percent of a standard deviation more if they have an especially effective teacher rather than a very ineffective one.

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.

• Similarly, if a pair of staff increases their overlap in «functional zones,» or the areas of a building they are likely to visit, by 121 feet (one standard deviation) their chance of interacting about math increases from 30 % to 38 %.

If black students in the sample continue to lose ground through 9th grade at the rate experienced in the first two years of school, they will lag behind white students on average by a full standard deviation in raw math and reading scores and by more than two - thirds of a standard deviation in math even after controlling for observable characteristics (the gap would be substantially smaller in reading).

Maybe your intervention has a large effect size d if you manage to bring the group of learners together and lower the standard deviation.

A gain of 5 percent of a standard deviation in one year may be considered large, if it is thought that students will continue to experience similar annual gains through the elementary and secondary years.

The paper is still in draft form, but if these results hold up, the case for Michelle Rhee's merit pay initiative in the District or Columbia — and the merit pay component of the Obama Administration's Race to the Top initiative — is pretty strong, as 0.25 standard deviation is about a full year's worth of learning.

[3] That means that if all schools could be persuaded to switch to one of the top quartile textbooks, student achievement would rise overall by roughly.127 student - level standard deviations or an average of 3.6 percentile points.

But even if those costs doubled the class - size increase needed to keep costs the same — an unlikely scenario — ending summer vacation would still increase achievement by 0.05 standard deviations, or 10 days of learning.

If a single student were to take the same test repeatedly (with no new learning taking place between testings and no memory of question effects), the standard deviation of his / her repeated test scores is denoted as the standard error of measure.

[iii] That means that if all schools could be persuaded to switch to one of the top quartile textbooks, student achievement would rise overall by roughly.127 student - level standard deviations or an average of 3.6 percentile points.

The estimates from the experiment imply that if a student attended a middle school with an incentive in place for three years, his / her math test scores would decline by 0.138 of a standard deviation and his / her reading score would drop by 0.09 of a standard deviation.

To account for the limitations of the tests, Louisiana allows an exception if students score between one and a half and two standard deviations above the mean on three separate tests: the IQ test and the standardized math and English exams.

Streets will not necessarily be safer nor families wealthier if a subset of city students score a half of a standard deviation, for example, higher on a government - issued test (though that would be nice).

not sure if that's the best word here) that 1 our of 6 results be one standard deviation above the mean and 1 out of 6 below the mean.

For example: there would be a 10 percentile point increase in student test scores resulting from the work of an average principal if she improved her «demonstrated abilities in all 21 responsibilities by one standard deviation» (2003, p. 3).

On the flip side, if the returns are smoothed through these accounting methods, the standard deviation of returns would drop, which is a bigger effect than the correlation effect.

If a fund has a 10 % average rate of return and a standard deviation of 4 %, its return will range from 6 % -14 %.

It doesn't matter if you measure risk by standard deviation of returns, beta, or credit rating (with junk bonds).

If you believe as we do that risk can not be adequately explained by a single number such as standard deviation of return, but is rather the potential for the respective portfolios to face future capital impairment, it becomes important to compare the fundamental character of the manager's portfolio to that of the benchmark.

If one compares the market timer's return to that of a portfolio of stocks and cash weighted to have the same standard deviation as the market timer's portfolio, the result is that the market timer must be correct 74 % of the time in order to perform better than the passive portfolio of the same risk.

«If I say the standard deviation of your portfolio is 18 %, what do you suppose that means to the average investor?»

If you look at the standard deviations of the periods as well (though he doesn't present them here, but you can find them easily enough), you find that the standard deviation decreases, which indicates that the real risk of the investment decreases for the period as the period increases.

If a portfolio has an average expected return of 9.7 % and a standard deviation of 7.6 %, that means in 19 years out of 20 its annual return can be expected to range between — 6 % and 25 %.

If each year's stock return were totally independent of the past, the standard deviation would fall in accordance with the square root of N. Even if we were to allow for a short - term memory of two or three years (i.e., momentum), independence would still imply this square root of N behavioIf each year's stock return were totally independent of the past, the standard deviation would fall in accordance with the square root of N. Even if we were to allow for a short - term memory of two or three years (i.e., momentum), independence would still imply this square root of N behavioif we were to allow for a short - term memory of two or three years (i.e., momentum), independence would still imply this square root of N behavior.

Yes greater risk profile leads to greater return profile, but not necessarily at reduced risk (if we're talking risk in terms of volatility or standard deviation).

If the original 4 equity indexes from 1928 (IFA US Large Company Index; IFA US Large Cap Value Index; IFA US Small Cap Index; IFA US Small Cap Value Index) are held constant until December 2012, the annualized rate of return of this simplified version of IFA Index Portfolio 100 is 10.67 %, after the deduction of a 0.9 % IFA advisory fee and a standard deviation of 23.59 %.

According to the American Kennel Club, if the standard does not call for the disqualification of a dog that has a tail that is not docked, you must fault the deviation to the extent of the breed standard.

We may be unable to detect or prevent the use of ingredients which do not meet our quality standards if our ingredient suppliers engage in fraud or attempt to cover up or obscure deviations from our guidelines and procedures.

In the limit, if r2 is 0, the proxy will have the value of the mean of the observed calibration data and zero standard deviation.

Just a minor statistical note without knowing how these numbers relate to reality: If you compare two measurements with standard deviation of 6, the standard deviation of the difference is not 12 but sqrt (2) * 6 = 8.5.