Statistics Calculator
Enter a numeric dataset or import a spreadsheet to generate descriptive statistics and distribution charts instantly.
Supports .csv, .xls, .xlsx. All numeric cells are extracted automatically.
Enter values or import a file to begin.
Histogram
Frequency Distribution
Formula Notes
- Mean:
mean = Σx / n - Sample variance:
s² = Σ(x - mean)² / (n - 1) - Sample standard deviation:
s = √s² - Interquartile range:
IQR = Q3 - Q1 - Coefficient of variation:
CV = s / mean × 100%
- Paste numbers directly (one per line or comma-separated).
- Or import data from CSV, XLS, or XLSX.
- Click Analyze to generate metrics, histogram, and frequency table together.
- Use sample file buttons to test import quickly.
Can I import multiple columns?
Yes. The tool scans all worksheets and cells, then keeps values that can be parsed as numbers.
Why does mode show none?
If every value appears only once, there is no repeated value, so mode is undefined.
Population vs sample standard deviation?
Population uses n in the denominator, while sample uses n-1 for inferential estimates.
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