Gold a hedge and no more - yet Sep 15, 2009
Gold's price volatility since January 2000 (the standard deviation of the daily price divided by the average) is 45%, almost triple that of the US dollar-euro exchange rate ... Standard Deviation/Average. (Asia Times Online)
What do Bone Density Test Results M... Sep 13, 2009
These T scores represent a standard deviation, which is how far the patient's bone density is from normal ... The T score for osteopenia represents a decrease in standard deviation from normal bone mass of 1 to 2 ... With each decrease in standard deviation, fracture risk nearly doubles. (Suite101.com)
Borgia ACT Scores Higher Than State, National Average Sep 2, 2009
0 (standard deviation of 5. 7) compared to 20. (Missourian Publishing, MO)
The Left's IQ Problem Sep 1, 2009
A 15-point change in IQ is one standard deviation the difference between well below average and well above. Nisbett makes these adoption studies the crux of his argument because they allegedly demonstrate the great possibilities of environmental intervention. (The American Conservative)
Fourth Finger May Show If You Have What It Takes Aug 25, 2009
The standard deviation in salaries in the finance field is two times as large as in the other positions. Then Sapienza and Zingales asked 500 MBA students to play games that reveal their willingness to take risks. (Bloomberg -- Columnists)
Experts Weigh Stocks, the Dollar, and the 'Fiscal Hangover' Aug 25, 2009
Aside from the political backdrop of health-care reform, the pharma and biotech group is trading in relative terms roughly a standard deviation above its historical mean. Moreover, our valuation analysis is not indicative of outperformance either. (BusinessWeek)
CSR to cut debt on its sugar baby Aug 14, 2009
Between 1990 and 2009, CSR Sugar's earnings before interest and tax ranged from $191 million to $16 million, with a standard deviation of $41 million. But volatility could be smoothed by CSR Sugar's refining business and its growing renewable energy business. (Sydney Morning Herald -- Business)
Not quite similar Aug 14, 2009
The word variance is an unfortunate choice, being a term in statistics to mean the square of the standard deviation in a distribution. The word variant is indicated. (The Star Online, Malaysia)
Business.view: Firmly hooked Aug 12, 2009
An increase of one standard deviation in dollar ownership by the boss was associated with approximately 10% lower return on equity. As for managerial heroin, different mixtures of shares and share options made no discernable difference to the bank s performance. (The Economist)
Genomic Predictions Rank Young Holstein, Red and White Bulls (2) Aug 9, 2009
The standard deviation of the difference between daughter and son merit is about one-tenth of the genetic standard deviation for most traits, according to the ARS.. For the time being, genomic evaluations are available on approximately 150 Holsteins bulls and eight Red and White bulls, according to the NAAB. The NAAB adds that the Jersey breed is working on genomic evaluations, but no results are yet available to be released. (Agri-View, WI)
Viewpoint: Imperfect world threatens 2010 high-tech goals Aug 5, 2009
Do they take an average or apply a standard deviation. How do they predict when and how a recovery will take place. (EETimes)
Poor sleep in children may have prenatal origins Aug 1, 2009
Results show that the odds for low sleep efficiency increased by 70 percent for every standard deviation decrease in weight at birth and by more than 200 percent for every decrease in length. For every standard deviation decrease in ponderal index at birth, the risk of parent-reported sleep disorders increased by 40 percent. (EurekAlert!)
Educational intervention and monitoring programme to improve physician reporting of adverse drug reactions (ADRs) in a primary care setting in complementary and alternative medicine Jul 31, 2009
To measure changes in the ADR reporting rate, the mean number of ADR reports and standard deviation (SD) were calculated before and after the educational intervention. The pre-intervention and post-intervention quality of the reports was assessed in terms of changes in the completeness of data provided for obligatory items. (BioMed Central)
How pharma companies can be better long-term bets Jul 28, 2009
Standard deviation of these growth rates has been used as a measure of risk. Further, the average growth rate is divided by the standard deviation to arrive at risk-adjusted growth rates. (India Times)
Obama must bet the house Jul 15, 2009
Cool, cloudy and rainy - it's enough to make one doubt the existence of global warning should they not have taken an introductory statistics class and learned about the concept of standard deviation. Also seemingly withering in the summer gales are the green shoots, the catch-all term for the alleged signs of economic recovery that fueled the almost 40% stock market rally of spring. (Asia Times Online)
New Statistical Technique Improves Precision Of Nanotechnology Data Jul 15, 2009
"With half of the experimental efforts, you can get about the same standard deviation as following the earlier method without the corrections," Wu said. "This translates into fewer time-consuming experiments to confirm the properties.". (Science Daily)
Asia's Stocks Face `Correction' on Recovery Concerns: Technical Analysis Jul 14, 2009
The MSCI Asia-excluding Japan may fall to 307, which is one standard deviation below its average price to book value, while its 100-day moving average yields a target of 335, BNP analysts and wrote in a report today. By combining the two technical factors, the analysts derived a forecast of 321 for the index, representing a 13 percent decline from yesterdays close. (Bloomberg -- Asia)
Analysis: Money to catch test cheats lacking Jul 13, 2009
The clue was standard deviation, used to compare the change between the summer-school retest and the students' original failing score from the school year ... Using the 2 points of standard deviation statisticians normally employ would have turned up about 20 schools, five times the current number. (The Augusta Chronicle)
Add glitter to your equity portfolio Jul 8, 2009
The standard deviation (divergence from mean) of the Nifty portfolio stood at 23. 89 whereas that of the equity portfolio with a 20% gold weightage was 17. (India Times)
Sea Level Rise: Its worse than we thought, Anil Ananthaswamy, New Scientist Jul 2, 2009
The truth is over that range of data its pretty much flat, within standard deviation. Quit painting people as "conservative" simply because they choose to look at the data objectively. (Harper's Magazine)
Gold ETFs score over Gold Fund of Funds Jun 24, 2009
An important factor that has worked for ETFs and have made these funds emerge as clear winners is the standard deviation factor ... Standard Deviation essentially reports a fund's volatility, which shows the tendency of the returns to rise or fall drastically in a short period of time ... The standard deviation of a fund measures this risk by measuring the degree to which the fund fluctuates in relation to its mean return, the average return of a fund over a period of time. (India Times)
E.C. pays felon $36,000 yearly for job county would do (1785) Jun 22, 2009
TAX PAYER wrote on Jun 21, 2009 11:27 AM:" Did they bid this job? When did the add appear that they were looking for someone? This is a technical job. What's the job description? Who is the hiring manager? Think this guy understands what terms statistically significant data, standard deviation, mean, median, and sigma mean? While the state is doing the budget it needs to make political and patronage hiring for bureaucratic, non-policy making positions a felony. ". 3rd point wrote on Jun 21, 2009... (Northwest Indiana Times)
State to get tougher on test monitoring Jun 21, 2009
5 standard deviations from the mean ... A common statistical measurement, standard deviation is used to see how much schools score increases differ from the average gain ... In her address to the state board, Mathers said research has shown that improving scores by two standard deviations without cheating is difficult. (Atlanta Journal-Constitution)
Measuring mutual fund performance Jun 21, 2009
Sharpe ratio is the return on a mutual fund scheme (or portfolio) less the return of risk-free assets divided by the standard deviation of the scheme ... This excess return is divided by the standard deviation of the asset to determine its Sharpe ratio or the additional return generated for the additional volatility associated ... Standard deviation is a measure of volatility of a stock. (India Times)
Off-Color Jokes, Japanese Sissies, and Destroying Toys Jun 20, 2009
There's a standard deviation at work (though the election could still be rigged). 4) ": Why Obama isn't showing more outrage about the Iranian election," by John Dickerson. (Slate)
Diversification Still Matters -- Investment Advice From Papamarkou Asset Management Jun 19, 2009
Perkin points out that Papamarkou Asset Management also looks to alternative investment opportunities to further reduce standard deviation (volatility) in the portfolios that they manage. "We're proponents of maintaining exposure to strategies that display low or negative correlation to the broad capital markets. Specific examples include discretionary commodity funds, credit managers in the asset backed space and global macro hedge funds. Many of these managers performed beautifully in 2008... (Yahoo News -- Press Releases)
STMM Named 'Top Guns' in Ranking by Informa Investment Solutions Jun 3, 2009
IIS selects only the investment products which standard deviation for the five-year period is equal or less than the median standard deviation for the peer group. The top ten information ratios for the latest five-year period then become "6 Star Top Guns." The information ratio is an efficiency measure calculated by dividing the Excess Rate of Return by the Standard Deviation of the Excess Rate of Return stream (Tracking Error). (PR Newswire)
At 50%, 'risky' tiny cos top RoI charts Jun 2, 2009
The standard deviation (SD) of annual returns, which captures the degree of risk, shows that this group constituting about 450 companies, has the highest SD of 98. Compared to this the top group of around 50 companies, which had market capitalisations of Rs 2,000 crore or more in May 2003, recorded SD of only 47% for the six-year period. (India Times)
Land deal 'reeks of politics' May 30, 2009
That s no standard deviation in appraised values. It s a gross disparity. (Atlanta Journal-Constitution -- Opinion)
Preseason prognostication: Pac-10 Standings May 20, 2009
Certainty, or lack thereof Unlike in the preseason media polls, where each voters individual ballot is unknown, we can also calculate the standard deviation of each teams ranking here. (For the non-nerds among us, standard deviation in this context can be thought of as how far off the average voter was from the teams actual ranking ... For example, Stanford was ranked fifth on average, so if each individual voter ranked Stanford fifth there would result a standard deviation of zero,... (TheBootleg.com)
Trace element abnormalities with dialysis May 20, 2009
We calculated differences between hemodialysis patients and controls using the differences in mean trace element level, divided by the pooled standard deviation ... 8 standard deviation units (a large difference) higher than controls for cadmium, chromium, vanadium, and lower than controls for selenium, zinc, and manganese. (BioMed Central)
Note to Trump: Restore Fairness to Miss USA May 13, 2009
To reduce this risk, in the 2008 Olympics scoring for Women's Gymnastics the B panel scoring the highest and lowest scores for each contestant are automatically thrown out, and even in averaging the other four judges, any score wildly outside the standard deviation can be removed. This is done to guarantee that no one judge's bias can alone determine the winner, as Hilton apparently did with Miss USA.. (Newsmax)
Tumor focus shifts May 8, 2009
Here Say wrote on Apr 23, 2009 3:29 PM:" How about some stats please.... How many tumors, in the city, in the county, in the state. Compare these to other numbers in other cities, counties and states. I don't think anyone even knows how many people have truly been effected by this. Give me numbers, don't give me assumptions. Also, do NOT tell me that if the attorneys who will be lining their pockets because of these victims, had these stats and it showed Cameron's were above the standard... (Cameron Observer, MO)
Study: Most Liberal States Are Least Free May 7, 2009
However, government employment is a standard deviation higher than the national average. Gun control is better than average, but the state falls short on open-carry laws, stricter-than-federal minimum age for purchase rules, and dealer licensing. (Newsmax)
Most underrated closer in the game May 6, 2009
As a degree holder in business management -- a pursuit in which Nathan sought refuge for one year, dropping baseball and working out some powerful emotions about the game he'd loved -- he probably can appreciate how slick his "standard deviation'' has been while maintaining his spot among baseball's best finishers. He saved as many as 44 games and no fewer than 36 from 2004 to 2008. His innings have fluctuated from 72.1 to last year's 67.2, his hits allowed from 38 (2006) to 54 (2007). Nathan... (SportsIllustrated.CNN)
The Conference Board(R) Australia Business Cycle Indicators(SM) Apr 30, 2009
The component factors are inversely related to the standard deviation of the month-to-month changes in each component. They are used to equalize the volatility of the contribution from each component and are "normalized" to sum to 1. (PR Newswire)
FOXBusiness: BoA Chair Loses Title, Remains CEO Apr 30, 2009
BofA's Lewis Voted Out of Chairman Role - FOXBusiness. Wednesday, April 29, 2009. (Fox News)
Praise for the 'naked' chardonnays Apr 29, 2009
Still, it's well within the standard deviation. A frequent Plonkapalooza standout. (Boston Globe)
Nifty may trade in 3300-3520-3650 this week: Karvy Apr 28, 2009
The standard deviation of the last 250 data points is 0. 03. (India Times)
Insider: Six mock drafts, together as one Apr 10, 2009
By calculating the standard deviation of likely draft positions among experts, we can determine whose value is set. The lower the number, the closer the consensus. (ESPN -- Football News)
Stock questions? Ask Matt Apr 6, 2009
2% a year with risk, or standard deviation, of 19. 3 percentage points. (USA Today -- Money)
Berkeley students dominate college TV awards Mar 23, 2009
Documentary: "Standard Deviation," David Randag and Christopher Brannan of The University of Florida. Drama: "Acholiland," Daniel Harrich of the American Film Institute (Los Angeles). (Hanford Sentinal, CA)
ADHD over-diagnosed? Mar 19, 2009
Using standard deviation methodology items within 2 std dev or 95% of the population (are generally considered normal the outliers being the remaining 5% (2. 5% on either side)The last census says there are 53. (Atlanta Journal-Constitution -- Health)
Lessons learned from Madoff scandal Mar 14, 2009
"If the standard deviation is too low and the mean too high, something is wrong," says Utpal Bhattacharya, finance professor at the Indiana University Kelley School of Business. Still, "the retail investor would need some help.". (MSNBC -- Business)
Bloggers' challenge: What does USU add to the Cache Valley community? Mar 13, 2009
" Stephen wrote on Mar 12, 2009 9:08 PM:" Doug and Cole ~~ There are indicies that give the average (and standard deviation) of pay for various positions. Many of these take into account location. (Logan Herald Journal, UT)
Ask Matt about stocks Mar 6, 2009
To get that 55% higher return by investing in Family Dollar, you accepted higher risk standard deviation of 53. 3 percentage points. (USA Today -- Money)
Commodity Market: Tough times call for diversification Mar 2, 2009
At the 10% standard deviation levela moderate risk level similar to a standard portfolio of 60% stocks and 40% bondsthe optimal allocation to commodities ranged from about 22% using the capital asset pricing model. Even at the conservative 5% risk level, optimal allocations to commodities seem relatively large, ranging from about 9% up to nearly 14. (India Times)
Fund Provides $130,000 For Scholarships Feb 28, 2009
This outperformance has also been accomplished with lower risk (as measured by beta and standard deviation) than the S. "The investment fund allows us to engage students in active learning," said Terry Maness, dean of the Hankamer School of Business. (Baylorbears.com)
Luke WinnNCAA HOOPS POWER RANKINGS Feb 27, 2009
There, consistency is determined by the standard deviation of a team's scoring margin, and Pomeroy says, "Highly rated teams that are inconsistent [statistically] tend to look beatable more often." While Pitt won't hold on to No. 1 this week , Panthers fans can take solace in the fact their team is at least the most consistent (or least vulnerable) of the top eight in our Power Rankings. Team Consistency Rank Pitt 41 Oklahoma 64 UNC 78 UConn 99 Memphis 148 Clemson 276 Missouri 300 Louisville... (SportsIllustrated.CNN)
Urban schools catching up to suburban Feb 26, 2009
26 standard deviations below their states' averages in 2000 and about. 77 of a standard deviation below the states' averages in 2007 ... 8 standard deviations below the Pennsylvania average in 2000 and 1. (Pittsburgh Post-Gazette, PA)
How long should investors hold their stock investments? Feb 26, 2009
It shows the average annual compounded returns and risks (measured by standard deviation) regardless of any starting or ending dates ... However, the longer we hold our investment, the lower the risks that we face, which are measured by using standard deviations ... For example, if we hold our investment for one year, the standard deviation is 30. (The Star Online, Malaysia -- Business)
Will investor confidence ever return? Feb 18, 2009
The first is Economic Cycle Research Institute (ECRI) Weekly Leading Index Growth Rate, which gives early signs of deterioration/improvement of the US economy and the second is the Bloombergs Financial Conditions Index (BFCI), which basically helps investors to track the level of financial stress (measured in standard deviation) affecting the US and world economies. The BFCI is updated on a daily basis. (The Star Online, Malaysia -- Business)
Steroids' effect on stats murky Feb 15, 2009
Using the standard deviation, a common measure of how tightly a set of numbers is bunched together, performances by both hitters and pitchers were more spread out during that time than in any 12-year period since World War II.. That doesn't mean that steroids are necessarily the cause of the separation. (News & Observer -- Sports)
Wooten: Isakson makes right choice Feb 13, 2009
(Give or take a mean standard deviation. sic. (Atlanta Journal-Constitution)
Big-time Financial Risk Taking: Blame It On Their Genes? Feb 12, 2009
"Genetic Determinants of Financial Risk Taking will be published online Wednesday, Feb. 11, by the open-access journal PLoS ONE. The study's co-investigators are Kuhnen and Joan Y. Chiao, assistant professor of psychology at Northwestern. Prior research linking the two genetic variants of 5-HTTLPR and DRD4 to, respectively, negative emotion and addiction behaviors suggested to the Northwestern researchers that those particular brain mechanisms could play a role in financial risk-taking. But... (Science Daily)
Your view Stimulus bill urgently needed Feb 8, 2009
Doug wrote on Feb 6, 2009 4:16 PM:" Also included in Mitchells paper:A study from the Journal of Monetary Economics stated: We also find a strong negative effect of the growth of government consumption as a fraction of GDP. The coefficient of 0.32 is highly significant and, taken literally, it implies that a one standard deviation increase in government growth reduces average GDP growth by 0.39 percentage points. ". Doug wrote on Feb 6, 2009 4:18 PM:" A Journal of... (Logan Herald Journal, UT)
ATK Propulsion and Composite Technologies Key to Successful Delta ... Feb 8, 2009
If you generate a better return than the index while not taking on added risk (standard deviation of returns) then you get alpha. Low beta means the market-related risk is low and vice versa for high beta. (FOXBusiness)
