Statistics Calculator
Descriptive statistics solver for numerical datasets
Sample Data:
Statistical Results
Mean (μ / x̄)
0
Median
0
Mode
None
Sample Standard Deviation (s):
0
Population Standard Deviation (σ):
0
Sample Variance (s²):
0
Dataset Size (N):
0
Sum (Σx):
0
Range (Max - Min):
0
Interquartile Range (IQR):
0
Frequently Asked Questions
Population standard deviation (σ) is divided by N (when you have data for the entire population). Sample standard deviation (s) is divided by N - 1 (Bessel's correction for unbiasing sample estimation).
You can separate numbers by commas, spaces, or line breaks (e.g.
12, 15, 18, 22, 25, 30).
IQR measures the statistical dispersion of the middle 50% of the dataset:
IQR = Q3 - Q1, which is robust against extreme outliers.