Standard Deviation Calc - SD app for iPhone and iPad

Use this app to compute the standard deviation from a set of numerical values.

Specify whether the data is for an entire population or from a sample. Enter your population or sample observed values in the box above. Values must be numeric. Press the "Calculate" button to perform the computation.

We will help you calculate:
- Standard deviation
- How many numbers
- Sum (All the numbers added up)
- Mean (Arithmetic mean = Sum / Count)
- Differences (Every Number minus Mean)
- Square of each difference
- Sum of Differences2
- Variance

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