calculationType
Sample Standard Deviation Calculator (s)
Calculate the sample standard deviation (s) and variance (s²) from a sample dataset to estimate population variability.
Population and sample standard deviation formulas follow ISO 3534 statistical definitions and NIST/SEMATECH e-Handbook of Statistical MethodsReview is overdue.Reviewed: March 2025Full Methodology
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Exam Scores
Analyse variability in a set of student exam scores
Key values: 12 data points · population · moderate spread
Stock Prices
Sample analysis of daily closing prices with outlier detection
Key values: 5 data points · sample · outlier detection
Dataset with Outliers
Identify unusual values in a data set using the IQR rule
Key values: 10 data points · population · 1 outlier
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