英語 での The standard deviation の使用例とその 日本語 への翻訳
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Similarly, calculating the standard deviation of pixels in a neighborhood can indicate the degree of variability of pixel values in that region.
In a Taguchi design, the standard deviation is the variability in the response because of noise.
If you do not know the standard deviation of the population, use 1-Sample t.
Figure 2 shows the standard deviation of firm-level revenue per worker for young and mature high-tech and non-tech firms in the US.
The standard deviation of the flowers is therefore equal to the square root of 150, or about 12.247….
So, the amplitude of F( ω) also has the standard deviation of 80Hz.
Volatility can either be measured by using the standard deviation or variance between returns from the same security or market index.
Each coordinate difference between observations is scaled by dividing by the corresponding element of the standard deviation, S= nanstd(X).
The standard deviation has the same units as the data themselves and is therefore easier to interpret.
Two standard deviations represents a 95% confidence that the EF results will remain within the standard deviation limits.
Because the standard deviation is in the same units as the data, it is usually easier to interpret than the variance.
Calculate the standard deviation(Ʃ, sigma) based on the average value of net sales over the past 5 years.
For example, let's say you make 100 parts every day, if you measure all parts' lengths accurately and calculate the Standard Deviation, it's really accurate.
Statistics allow to track a given statistic a result variable. For example, we might want to monitor the standard deviation of a result variable.
Had you taken multiple random samples of the same size and from the same population the standard deviation of those different sample means would be around 0.08 days.
If the variance of a set of numbers is 9, then the standard deviation is 3.
For example, an analyst uses this one-sided test to determine whether the standard deviation of pipe diameters is greater than 2 mm.