StatisticspSEO Index: standard-deviation-calculator
Standard Deviation Solver
Analyze dataset variability and spread. Compute population and sample standard deviation, variance, and mean for any numeric dataset.
Dataset Input
Valid formats: 12, 15.5, 20 or newline separated lists. Non-numeric values are automatically excluded.
Summary Metrics
Sample Size (n)10
Min / Max Range[12, 30]
Summation (Σx)212
Arithmetic Mean
21.2
Median Value
21.5
Modal Value
22
Std. Deviation
5.2688
Population Variance
27.76
Total Range Spread
18
Frequency Distribution
Dataset visualization across unique values
Solution Methodology
01
Input Dataset
Paste your comma-separated or newline-separated numeric data.
02
Analyze Spread
The engine computes mean and individual deviations instantly.
Common Questions
What is standard deviation?
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
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