| standard deviation |
The square root of the sum of the differences of each data point divided by the number of data points minus one.
출처: www.aaronprocess.com/glossary.asp
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|---|---|
| standard deviation |
A measure of the dispersion of random errors about the mean value. If a large numberof measurements or observations of the same quantity are made, the standard deviation is the square root of the sum of the squares of deviations from the mean value divided by the number of observations less one.
출처: www.eurofix.tudelft.nl/glossary.htm
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| standard deviation |
The square root of the average of the squares of deviations about the mean of a set of data. Standard deviation is a statistical measure of spread or variability.
출처: mbmgquake.mtech.edu/seismic_glossary.html
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| standard deviation |
A statistical measure of variation within a sample. Just as the average measures the expected middle position of a group of numbers, the standard deviation is a way of expressing how different the numbers are from the average. The standard deviation is (roughly) the amount by which the average person's score differs from the average of all scores.
출처: www.audiencedialogue.org/gloss-stats.html
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| standard deviation |
A statistic that indicates the amount of variability in a group of scores. When scores are normally distributed (ie, when they are part of a bell-shaped,
출처: www.doe.state.in.us/asap/definitions.html
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