Alphabetical
standard deviation
[noun]
The standard deviation (σ) is a measure of the variability of values in a dataset. Standard deviation is one of the most common measures of statistical dispersion. If many data points are close to the mean of the dataset, the standard deviation is small; if many data points are far from the mean, then the standard deviation is large.
Appears in modules:
- Introduction to Descriptive Statistics Using mean, median, and standard deviation
- Introduction to Inferential Statistics Describing patterns and relationships in datasets
- Statistical Techniques Constructing a confidence interval
- Statistics in Science Origins of descriptive and inferential statistics
- Uncertainty, Error, and Confidence Characterizing natural variability and human error
- Using Graphs and Visual Data in Science Reading and interpreting graphs
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