# Basic Statistics Online

Free set of basic statistics calculator.

- Descriptive statistics calculator
- Measures of dispersion calculator()
- Mean median mode calculator (Q1, Q3, IQR, Range)
- Standard deviation calculator (SD, S, Demonstration charts)
- Variance calculator (Population variance, Sample variance)
- Coefficient of Variation (Ratio of the standard deviation to the mean)
- Pooled variance calculator (Equal variance, Unequal variance, Variance of the difference between two means )
- Average calculator (Sum, Count)
- Percentile calculator (A measure indicating the relative standing of a value in a dataset)
- Sample mean calculator (Sum, Count)
- Geometric mean calculator (Product, nth root)
- Harmonic mean calculator (n / Σ(1/xi))
- Probability calculator (Probability formula, Dependent events, Bayes' Theorem, Independent events)
- Combinations calculator (Combinations - with/without repetitions)
- Permutations calculator (Permutations - with/without repetitions)
- Combinations and permutations generator (with/without repetitions)
- Outliers calculator (Tukey's Fences (Box plot), Z-Score)
- Markov chain (Probability vector, Steady-state vector)
- Odds calculator (Convert odds to probability, Convert a probability to odds")
- Betting odds calculator (Fractional odds, Decimal odds, American odds)
- Median absolute deviation calculator (MAD)
- Mean absolute deviation calculator (MAD)