Basic Statistics Online

Free set of basic statistics calculator.

• Mean median mode calculator (Q1, Q3, IQR, Range)
• Standard deviation calculator (SD, S, Mean, SEM)
• 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)
• Outliers calculator (Tukey's Fences (Boxplot), 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)