Sentences with phrase «rate by its standard deviation»

Not exact matches

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.

It compares the return above the risk - free rate earned as compared to the corresponding risk assumed by the portfolio, as measured by standard deviation.

The Sharpe ratio is calculated by subtracting the risk - free rate - such as that of the 3 - month U.S. Treasury Bill - from the rate of return for a portfolio and dividing the result by the standard deviation of the portfolio returns.

We focus on gross compound annual growth rate (CAGR), gross maximum drawdown (MaxDD) and rough gross annual Sharpe ratio (average annual return divided by standard deviation of annual returns) as key performance statistics for the Top 1, equally weighted (EW) Top 2 and EW Top 3 portfolios of monthly winners.

In math the graduates of the University of Florida, the state's premier university, outperformed the other institutions at teaching students in fourth to eighth grade by as much as 10 percent of a standard deviation, even though NCTQ gave it no better rating than Florida State or Florida Atlantic.

The reforms seem to have moved the average student up by 0.2 to 0.4 standard deviations and boosted rates of high school graduation and college entry.

> Because principals differ in the generosity and degree of variation in the ratings they give, we placed all the ratings on the same scale by subtracting from each teacher's rating the average rating given by that teacher's principal and then dividing by the principal's standard deviation.

The results indicate that the effect of receiving a fail rating is to raise standardized test scores in a school by 0.12 standard deviations in math and by 0.07 to 0.09 standard deviations in English.

The results show that a fail rating raises average math and English test scores by 0.05 standard deviations three years after leaving the primary school.

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).

Means and standard deviations by grade level and teacher rating are shown in Table 17.

In a recent study by Goldhaber and Liddle, the most highly rated programs in Washington state produced teachers with value - added of.046 student standard deviations higher than the average teacher in math.

Standard deviations, which are important for determining Safe Withdrawal Rates, also scale by the common factor.

The efficient frontier is a curve which represents all the points where for a given level of risk (as measured by standard deviation) of a portfolio you are achieving the optimal rate of return.

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

It is calculated by subtracting the risk - free rate from the rate of return for a portfolio and dividing the result by the standard deviation of the portfolio returns.

The Sharpe ratio is calculated for a time series by dividing the mean period return (daily, monthly, yearly), in excess of the risk free rate, by the standard deviation of such returns.

You can find the standard deviation for any fund or ETF by clicking on the Ratings & Risk tab on its Morningstar page.

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 mStandard 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 mstandard deviation of the risky asset being deviation of the risky asset being measured.

There is also the continued lack of certainty associated with lower discount rates quantified by their high average standard deviations, as was the case with the outdated Roe — Baker distribution.

In AOGCMs, the water vapour feedback constitutes by far the strongest feedback, with a multi-model mean and standard deviation for the MMD at PCMDI of 1.80 ± 0.18 W m — 2 °C — 1, followed by the (negative) lapse rate feedback -LRB--- 0.84 ± 0.26 W m — 2 °C — 1) and the surface albedo feedback (0.26 ± 0.08 W m — 2 °C — 1).

At 82.9 percent of real estate companies, the average annual burn rate over the past three fiscal years is 2 percent or less, or is within one standard deviation of the industry mean, compared with 85 percent with other companies tracked by ISS.