Sentences with phrase «of a standard deviation below»

Across all four districts, which together serve more than 465,000 students, the researchers found new elementary teachers were assigned students who had performed.1 to.3 of a standard deviation below their peers who were assigned to teachers with four years of experience or more — meaning that these students were about three to nine months of schooling behind their classmates.

The reading performance of students at the five schools was, on average, 18 percent of a standard deviation below what could have been expected had the schools been under district management, a difference that is statistically significant in three of the six years.

ADHD teens overall performed about a half of a standard deviation below their non-ADHD peers.

Not exact matches

The chart below shows the rolling 30 - day standard deviation of a 60/40 portfolio broken down between stocks and bonds.

These conditions comprise the following: S&P 500 overvalued with the Shiller P / E (the ratio of the S&P 500 to the 10 - year average of inflation - adjusted earnings) greater than 18; overbought with the S&P 500 within 3 % of its upper Bollinger band (2 standard deviations above the 20 - period average) at daily, weekly, and monthly resolutions, more than 7 % above its 52 - week smoothing, and more than 50 % above its 4 - year low; overbullish with the 2 - week average of advisory bullishness (Investors Intelligence) greater than 52 % and bearishness below 28 %; and yields rising with the 10 - year Treasury bond yield higher than 6 - months earlier.

These upper and lower bands are set above and below the moving average by a certain number of standard deviations of price, thus incorporating volatility.

He exudes the fact that he's doing me the favor — and man, he really is — but I forge on, explain my story, and what I want to get out of all this: to finally know what makes Wisconsin college football's great exception, the success story beyond a standard deviation, the one team that has won almost as much as anyone over the last 25 years with talent far below its peers.

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 happy.

However, although there was no excess of infants in the fluoxetine group with postnatal weight measurements > 2 standard deviations below the mean, these data indicate that breastfeeding while taking fluoxetine is associated with reduced growth that may be of clinical importance in situations in which infant weight gain is already of concern.

Despite the fact that infants breastfed by mothers who took fluoxetine demonstrated less robust weight gain than the comparison group, it is reassuring that there was no significant excess of infants with weight measurements > 2 standard deviations below the mean.

With respect to the adequacy of weight gain in these infants, using > 2z score units (standard deviations) below a mean of 0 to define inadequate weight gain, 8 % and 6 % of infants in the fluoxetine and the no medication groups, respectively, fell into this classification at the time of the first postnatal measurement.

At the same time your score in standardised tests of learning and memory must fall at least one standard deviation below the mean score for 26 - year - olds.

Why set the cut - off point at one standard deviation below the average score of a 26 - year - old?

Z - scores standardize the data to represent the number of standard deviations above or below the long - term average.

After calculating the mean and standard deviation of our datasets, we determined proteins with expression levels below the mean minus the standard deviation as not expressed to discretise the gene expression to an on / off value (see Methods for details).

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).

We then determined how many standard deviations each state's difference was above or below the average difference of all observations in 2009, 2007, and 2005 on each test.

The lowest - performing students gained about 0.20 standard deviations, roughly twice the improvement of those students whose expected gains were to leave them just below proficiency.

The parents of a student whose performance is 1 standard deviation above the mean are about 8 percentage points more likely to make a request than the parents of an otherwise similar student whose performance is 1 standard deviation below the mean (19 percent vs. 11 percent).

Consequently, the true peer effect resulting from late entrants is likely to be substantially below the back - of - the - envelope estimate of 0.07 to 0.09 standard deviations.

A student with a growth mindset in spring 2015 has ELA and Math test scores in the spring of 2016 that are approximately 0.07 and 0.04 standard deviations (SD) higher than a similar classmate (i.e., a classmate with the same previous achievement and demographic characteristics in the same school) with a fixed mindset (approximately two standard deviations below).

One standard deviation below the mean of the improving districts was $ 6,320 and $ 6,354.

At the end of the semester, students in the classrooms where electronics were allowed had performed substantially worse, with scores 0.2 standard deviations below those of the sections where electronics were banned.

To estimate the importance of basic competency, we identified the share of students performing at least at a very basic level, that is, no more than one standard deviation below the international average of all OECD countries.

The average combined reading and math test scores one year prior to the management change at schools assigned to for - profit and nonprofit entities were 0.39 and 0.13 standard deviations below the Philadelphia average, respectively, while the pre-intervention scores of the full set of 142 regular public schools were 0.19 standard deviations above the district average.

Overall, non-Hispanic white students scored 0.27 standard deviations above the average on the math exam in the fall of kindergarten, while black students fell 0.36 standard deviations below the average, yielding a raw black - white gap of 0.63 standard deviations.

We found that the positive effects of higher grading standards were restricted to those students who were no more than 0.8 and 0.9 standard deviation below the average score in reading and math, respectively.

Among those who remained in Florida through at least spring 2012, Haitian earthquake refugees scored an average of 1.35 standard deviations below the state mean in reading and 0.98 standard deviations below the state mean in math in spring 2011, one year after the earthquake.

We sorted site - visit schools into high (one standard deviation or more above the mean), medium, and low (one standard deviation below the mean) data - use groups, and we selected six high data - use schools for case study analysis of the interview data from principals and from teachers.

[18] Of the 10.8 percent of the sample scoring below the current cutoff, 2.8 percent had value - added scores below the low cutoff (two standard deviations below the mean) compared with 1.8 percent of those not scoring below the cutofOf the 10.8 percent of the sample scoring below the current cutoff, 2.8 percent had value - added scores below the low cutoff (two standard deviations below the mean) compared with 1.8 percent of those not scoring below the cutofof the sample scoring below the current cutoff, 2.8 percent had value - added scores below the low cutoff (two standard deviations below the mean) compared with 1.8 percent of those not scoring below the cutofof those not scoring below the cutoff.

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.

Specifically, the Glazerman calculations suggest that the students of those 160 identified teachers will score about 1.00 standard deviation below the mean, while the students of the 840 teachers not identified will score about.16 standard deviations above the mean.

The 5th grade scores of black students who enter school with average math and reading skills are one - half a standard deviation below those of their white peers and place at the 20 — 25th percentile of the white distribution.

In fact, at a 75 % discount to growth on price - to - tangible book value — two standard deviations below the average long - term level — value hasn't been this cheap relative to growth since the peak of the» dotcom» bubble.2 But, is this unpopularity permanent?

The volatility of the reference portfolio, measured as the standard deviation of monthly returns, was slightly below that of the fund.

The table below shows the dividend yield and standard deviation (risk) on the list of popular income investments.

Bollinger bands are basically 2 lines that are plotted 2 standard deviations above and below a moving average for an X amount of time, where X is whatever you want it to be.

I determined the mean, mean plus and minus one standard deviation, probability of exceeding the Minimum Acceptable Return (MAR) for levels of 0 % and 2 % (approximately), below target deviation, upside potential and upside ratio for all individual segments.

When talking about «low volatility products,» Yasenchak is referring to portfolios that «specifically seek benchmark - like returns, over the full market cycle, with a total volatility, measured as the standard deviation, falling considerably below that of the index.»

The iShares S&P Small - Cap 600 Value ETF (IJS) has a three - year standard deviation of 14.24 %, which is well below the comparable metric on benchmark small - cap growth indexes.

The French standard allows, under unspecified circumstances, a deviation of up to 0.78» above or 0.4» below these figures.

Through September 21, comparing 2009 to the previous 20 Septembers for NH ACE, the current total from the operational advisories of about 71 is one standard deviation below the 20 - year mean (mean = 117, sigma = 36).

This allowed me to get an idea of the seasonal cycle of eddy asymmetry and, surprisingly, the monthly λ values had a monthly standard deviation (see below) of up to ~ 0.1 in the sub-Tropics!

Key statements from the individual Outlook contributions are below, summarized here by author, organization of first author, Outlook value, standard deviation / error estimate (if provided), method, and abstracted statement.

The radiocarbon determination will be more than two standard deviations (of the combined radiocarbon and calibration uncertainty level) below the exact calibration curve value for the true calendar date in 2.3 % of samples.

After 10000 rolls the uncertainty in the estimate of the mean will 100 times smaller than the standard deviation of a single die roll, far below the single digit resolution of the die faces.

It can be shown that CO2 levels over the period 1982 — 2007 at all stations (up to a modern number of 9 stations) averaged 0.480 ± 0.065 % below the global average (errors at the ± one standard deviation level).

We found (See here here) that strip bark forms can result in enormous (6 - 7 standard deviation) growth pulses in one portion of the core that are totally absent from other sections of the core, as illustrated below.

The tails of the normal distribution (which we illustrate below) decrease quite rapidly so there is only a 2.3 % chance of the temperature exceeding +2 σ, where σ is the standard deviation, and a 2.3 % chance of being colder than -2 σ.

Yet by summer's end, the ice extent and area were both far below «normal», if you take «normal» to mean within one or two standard deviations of the 1979 - whenever average (different groups use different end dates for «whenever»).