Search results
Learn how to calculate the standard deviation of a set of numbers using the formula σ = √ (Σ (x - μ)2 / N) or s = √ (Σ (x - x)2 / (N - 1)). See examples, explanations and diagrams of the steps involved.
17 wrz 2020 · Learn how to calculate standard deviation for populations and samples using formulas and a calculator. Find out what standard deviation tells you about the variability and distribution of your data.
Learn how to calculate standard deviation for population and sample data using different formulas and methods. Standard deviation measures the degree of dispersion or scatter of data points around the mean.
Learn how to calculate the standard deviation of a population or a sample, and how it measures the variation of a data set. See examples, properties, interpretations and applications of the standard deviation.
Look out for whether a question gives or asks for the standard deviation or variance, especially if the question is using sigma notation. Choose which formula to use wisely, most of the time the summary statistics will be given so only one of the formulae will be possible.
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Learn how to calculate standard deviation for population and sample data using different equations and formulas. See how standard deviation is used in statistics, quality control, weather, and finance.
