Sentences with phrase «of a standard deviation in»

And minority students gain 10 percent of a standard deviation in their desire to be art consumers.

In high - poverty schools, we estimate that the overall effect of all teacher turnover on student achievement is 0.08 of a standard deviation in math and 0.05 of a standard deviation in reading.

Students identified for retention by the Florida policy gained 0.06 of a standard deviation in reading on both the FCAT and Stanford - 9 over equally low - performing 3rd graders from the previous school year (see Figure 1).

The two groups differ by about 20 percent of a standard deviation in students» math and reading achievement (see Figure 2).

This comports with the interpretation that average peer achievement influences everyone's test scores, since Asians score higher than whites in math overall (the Asian - white score gap is positive and relatively large in math, 0.62 of a standard deviation in the 4th, 5th, and 6th grades).

A one - standard - deviation increase in theater interest is associated with an increase of 37 percent of a standard deviation in tolerance.

For every 1.1 miles closer to the nearest private school, public school math and reading performance increases by 1.5 percent of a standard deviation in the first year following the announcement of the scholarship program.

In its first year, the EITP increased student achievement in the Cohort 1 schools by 5.4 percent of a standard deviation in math and 9.9 percent of a standard deviation in reading, relative to the Cohort 2 schools.

Finally, an increase of one standard deviation in the concentration of private schools nearby is associated with an increase of about 1 percent of a standard deviation in test scores.

For example, first - year teaching fellows underperform traditionally certified teachers in their first year by 1 percent of a standard deviation in math, but third - year teaching fellows outperform third - year traditionally certified teachers by 2 percent of a standard deviation.

A change in the historical Catholic population share that produces a 10 - percentage - point increase in the extent of contemporary private school competition generates an improvement of about 5.5 percent of a standard deviation in both science and reading — or more than one - fifth of a grade - level equivalent in these subjects.

That is, we can say with 95 percent confidence that the effect of a 10 - percentage - point increase in the private school share is between 3.9 and 14.2 percent of a standard deviation in test scores.

Our results indicate that nonprofits outperformed the five for - profits in reading in five out of six years, although the difference was only 3 percent of a standard deviation in 2008, and in no year were the differences statistically significant.

As a result, the annual impacts of the intervention must be as much as 20 to 30 percent of a standard deviation in order to be detected at conventional levels of statistical significance.

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).

Taking this difference into account cuts the black - white test - score gap to less than a fourth of a standard deviation in math and completely eliminates the gap in reading.

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.

In fact, the apparent benefit of attending a school that had made AYP was only 4 percent of a standard deviation in math performance and just 2 percent of a standard deviation in reading.

To wit, the black - white gap in each grade is expressed as a fraction of the standard deviation in test scores observed in the 8th grade.

«Research found that it had annual impacts of about one - quarter of a standard deviation in math and small but still positive effects on reading.»

The consensus seems to be that attending the class of a teacher who is one standard deviation above her peers in value - added is associated with a gain in achievement of 10 to 15 percent of a standard deviation in student achievement.

21 Another study found voucher effects «that are large in magnitude and statistically significant (more than one - third of a standard deviation in test scores).»

257 & 9 Thomas Lee Elifritz: Quality is a measure of the standard deviation in the output of a factory.

The June — July — August temperature anomaly distribution in successive decadal periods is shown in Fig. 4 for the three choices of standard deviation in Fig. 2.

Not exact matches

At Google, an audit of their pay practices by the Department of Labor found «systemic compensation disparities against women pretty much across the entire workforce,» showing, one official has said, six to seven standard deviations between pay for men and women in nearly every job category.

The gap between the earnings yield on the S&P and Baa corporate bonds is over two standard deviations in favour of stocks.

Timmer: You know, the last two years until the January high, were really extraordinary times for the market, and I fear that investors got spoiled by that, because the S&P was up I think 52 % in two years and in 2017 the volatility — the standard deviation of those returns — was at an all - time low of 3.9.

As for last week's market activity, Jones said that on Thursday we saw a five standard deviation (that's a volatility measure) kind of movement in one day.

In the three - minute windows between 9:30 and 9:33 during the control period, we detect a mean of 2.50 mini flash per day, with a standard deviation of 1.65 mini flash crashes.

The meta - analysis, published online today in the Proceedings of the National Academy of Sciences, concluded that teaching approaches that turned students into active participants rather than passive listeners reduced failure rates and boosted scores on exams by almost one - half a standard deviation.

In the example at the top of the page, the simple average is 25 % and the standard deviation is 75 % (since the data points of +100 and -50 lie at a distance of 75 away from the simple average); in this case the estimate gives the exact answer of zero for the CAGIn the example at the top of the page, the simple average is 25 % and the standard deviation is 75 % (since the data points of +100 and -50 lie at a distance of 75 away from the simple average); in this case the estimate gives the exact answer of zero for the CAGin this case the estimate gives the exact answer of zero for the CAGR:

Therefore the alpha for ICVT is 10.11 % in comparison to the Bloomberg Barclays U.S. Aggregate Index and it offers relatively low risk with a standard deviation of 4.72 %.

With a standard deviation of nearly 15, that P / E drops to 23 in 2018 and 20 in 2019 while analysts estimate an average earnings growth rate in 2018 of around 8.5 percent and 2019 of around 8 percent.

Ideally, investors want to take three factors into account in portfolio construction: the expected return for each asset, the expected risk (normally expressed as the standard deviations of return) and the co-movement of each asset.

What this means is that, even though the S&P was down 1.22 percent in the first quarter, the decline was well within its expected range of one standard deviation, which occurs roughly 68 percent of the time.

For the same time period, oil had a standard deviation of about ± 20 percent, while gold bullion's is right in line with the S&P: ± 8 percent.

For each decile, we've subtracted the 1986 - 2016 average price / revenue ratio for that decile, dividing the result by the standard deviation of valuations in that decile (again from 1986 - 2016).

Over the last 12 months, the standard deviation of daily bitcoin returns in U.S. dollars is a little over 6 %.

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.

The Monte Carlo simulation presents results in the form of standard deviations on a bell curve.

The product writ large is designed to reduce a diversified portfolio's correlation to the market, lower standard deviation (thus increasing a portfolio's Sharpe ratio) and ultimately deliver long - term returns in excess of the market.

In addition, Philip Morris has a fairly low stock price standard deviation of 24 %.

In either case, the standard deviation or typical «range of error» is about + / - 2 %.

We recently experienced another dislocation in the market where stocks and ETFs were showing prices that were, and I'm guessing here, a ridiculous amount of standard deviations away from what would be considered normal.

For the same time period, oil had a standard deviation of about ± 20 %, while gold bullion's is right in line with the S&P: ± 8 %.

VRP here differs from that in the referenced research in three ways: (1) it is a volatility premium rather than a variance premium based on standard deviation rather than the square of standard deviation; (2) it is implied volatility minus expected realized volatility, rather than the reverse, and so should be mostly positive; and, (3) estimation of expected realized volatility is much simpler.

RZV's standard deviation of 19.62 percent is significantly higher than the 13.93 percent found in the Russell 2000 Index.

One standard deviation in skills confidence meant an approximately 15 % greater chance of being fired for toxic behavior, while employees who were found to be more self - regarding (and less concerned about others» needs) had a 22 % greater likelihood.

Their belief in God and Bible is cradled in their system of absolute certainty that allows no deviation from an absolute standard of doctrine which is presumably based on a singular understanding of the Bible.

Know that violence may happen — but it is our personal deviation our known standard — and in the end — we will find we are non-violent almost 10 times out of 10.