How to use in-sentence of “Standard deviation”:
+ If the standard deviation were 20″, then some men would be much taller or much shorter than the average, with a typical range of about 50″–90″.
+ Because of the small sample size, estimating the standard deviation is not possible.
+ Standard deviation is also useful in money, where the standard deviation on interest earned shows how different one person’s interest earned might be from the average.
+ The average and the standard deviation of a set of data are usually written together.
+ Stock A over the past 20 years had an average return of 10 percent, with a standard deviation of 20 percentage points.
+ There are simple algorithms to calculate median, mean, standard deviation etc.
+ This assessment involves measures of Measures of central tendencycentral tendency or mean and median, and measures of variability or statistical dispersion, such as the standard deviation or variance.
+ This is because the standard deviation is divided by the square root of the sample size.
Example sentences of “Standard deviation”:
+ If the standard deviation were zero, then all men would be exactly 70" tall.
+ Then a number close to the standard deviation for the whole group can be found by a slightly different equation called the sample standard deviation, explained below.
+ If the standard deviation were zero, then all men would be exactly 70″ tall.
+ Then a number close to the standard deviation for the whole group can be found by a slightly different equation called the sample standard deviation, explained below.
+ This variation is assumed to be normal distributionnormally distributed around the desired average of 250g, with a standard deviation of 2.5g.
+ The uncertainty in the mean is estimated as the standard deviation for the sample, divided by the square root of the number of samples minus one.
+ In real measurements, the true value of the standard deviation of the mean for the whole group is usually not known.
+ Variance and standard deviation are used because it makes the mathematics easier—when adding two random variables together.
+ The standard deviation for all the sample averages is the standard error of the mean.
+ However, the standard deviation of the daily high temperature for the coastal city will be less than that of the inland city.
+ Mean is a better measure in many cases, because many of the statistical tests can use mean and standard deviation of two observations to compare them, while the same comparison cannot be performed using the medians.
+ A low standard deviation means that most of the numbers are close to the average, while a high standard deviation means that the numbers are more spread out.
+ When deciding whether measurements from an experiment agree with a prediction, the standard deviation of those measurements is very important.
+ In money, standard deviation may mean the risk that a price will go up or down.
+ Scientists commonly report the standard deviation of numbers from the average number in experiments.
+ Here is a slightly harder, real-life example: The Human height#Average height around the worldaverage height for grown men in the United States is 70″, with a standard deviation of 3″.
+ The standard deviation tells how widely the numbers are spread out.
+ A driver with a low standard deviation of lap times is more consistent than a driver with a higher standard deviation.
+ Understanding the standard deviation of a set of values allows us to know how large a difference from the “average” is expected.
+ The standard error, sometimes abbreviated as, The term may also be used for an estimate of that standard deviation taken from a sample of the whole group.
+ They often decide that only differences bigger than two or three times the standard deviation are important.