So, for the sake of this article you can
think of standard deviation as meaning «risk».
Not exact matches
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.
I assure you that there are still voters leaving Ohio State off their ballots entirely, including eight voters this week, but you wouldn't
think that would be enough for the Bucks to enjoy more than double the
standard deviation of the next closest team... until you learn that those eight non-votes are the third - largest group for Ohio State, which is only more frequently ranked No. 2 (13 ballots) and No. 5 (10 ballots).
Rural students, who live in towns with fewer than 10,000 people, experience an increase in critical -
thinking skills
of nearly one - third
of a
standard deviation.
Overall, we find that students assigned by lottery to a tour
of the museum improve their ability to
think critically about art by 9 percent
of a
standard deviation relative to the control group.
The study finds students who attend a field trip to an art museum experience an increase in critical
thinking skills
of 9 percent
of a
standard deviation, an increase in historical empathy
of 6 percent
of a
standard deviation, and an improvement in tolerance
of 7 percent
of a
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.
, and 3) the
standard deviation of the account value during the period (can be
thought of as risk and account volatility).
The only thing I can
think of is that people with 0 % utilization fall into the category
of never use the card and never will and do not use the card now, but will max it out soon thus attaching a large
standard deviation to the 0 % bin, and, thus, statistically, someone in that bin is a risk.
«However, I
think that advisors have had a tendency to overuse the idea
of standard deviations and correlations when making decisions about portfolio diversification.»
That anybody that says that they see five and ten
standard deviation events every couple
of years is obviously not
thinking correctly about probabilities.
Naomi Oreskes seems to
think that p values
of < 0.05 are just «convention» and apparently knows nothing about
standard deviation.
I
think this would be a reasonable expectation too given the extent
of climate change which is near a
standard deviation at many locations.
Actually, I
think we can use this model - obs comparison to crudely estimate possible magnitude
of internal variability by taking the
standard deviation of the difference between modelled and observed trends.
[UPDATE] In the comments, Nick Stokes pointed out that although I
thought that Dr. Shaviv's harmonic solar component was a 12.6 year sine wave with a
standard deviation of 1.7 centimetres, it is actually a 12.6 year sine wave with a
standard deviation of 1.7 millime...
ii) The
standard deviation (and higher order moments)
of 30 + GCMs is equally meaningless as there is no reason to
think that the model mean
of e.g. GAST will be normally distributed compared to the true mean.
You really
think that the concept
of standard deviation is only meaningful for a normal distribution.
If you
think you have a case, you will need to prove that the
deviation from the
standard of care was the proximate cause
of your child's harm.
Suicidality was assessed with 3 items (hopelessness,
thoughts of death, and
thoughts of suicide) from the SCL - 20.27 Physical symptom severity was assessed with the PHQ - 15, a 15 - item scale scored from 0 to 30.28 Health - related quality
of life was assessed on the Short Form - 12 (SF - 12) subscales measuring physical health and mental health — related functioning.29 Subscales are normed for the general population so that mean and
standard deviation are approximately 50 and 10, respectively.30 Pain intensity and interference were assessed with the Adapted Numeric Rating Scale for Pain31; each item is rated on a 0 - to - 10 Likert scale.