Standard Deviation Calculator
Calculate the mean, median, standard deviation, and variance for a set of numbers. Supports both population and sample calculations.
Inputs
Results
Std Deviation (Population)
8.45
Std Deviation (Sample)8.9
Mean (Average)7.8
Median5
Variance (Population)71.36
Variance (Sample)79.29
Count10
Sum78
Range23
Std Deviation (Population)
8.45
How to Use This Calculator
- Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
- Value 1 — First data point. Accepts values from -999,999 to 999,999 (default: 10).
- Value 2 — Second data point. Accepts values from -999,999 to 999,999 (default: 12).
- Value 3 — Third data point. Accepts values from -999,999 to 999,999 (default: 23).
- Value 4 — Fourth data point. Accepts values from -999,999 to 999,999 (default: 15).
- Value 5 — Fifth data point. Accepts values from -999,999 to 999,999 (default: 18).
- Expand "Advanced Options" for additional fine-tuning. These optional inputs let you model more specific scenarios:
- Value 6 — Sixth data point. Accepts values from -999,999 to 999,999 (default: 0).
- Value 7 — Seventh data point. Accepts values from -999,999 to 999,999 (default: 0).
- Value 8 — Eighth data point. Accepts values from -999,999 to 999,999 (default: 0).
- Value 9 — Ninth data point. Accepts values from -999,999 to 999,999 (default: 0).
- Value 10 — Tenth data point. Accepts values from -999,999 to 999,999 (default: 0).
- Once all inputs are set, review your results in the Results panel. Here's what each output means:
- Std Deviation (Population) — shown as a numeric value. This is the primary result of this calculator.
- Std Deviation (Sample) — shown as a numeric value.
- Mean (Average) — shown as a numeric value.
- Median — shown as a numeric value.
- Variance (Population) — shown as a numeric value.
- Variance (Sample) — shown as a numeric value.
- Count — shown as a numeric value.
- Sum — shown as a numeric value.
- Range — shown as a numeric value.
- Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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