Statistics Calculators

Mean, Median & Mode is evaluated from Data Values. The calculation reports Mean, Median and Mode.

Standard Deviation is evaluated from Data Values and Calculation Type. The calculation reports Mean, Variance and Standard Deviation.

Variance is evaluated from Data Values and Variance Type. The calculation reports Mean, Variance and Standard Deviation.

Z-Score is evaluated from Data Value, Population Mean and Standard Deviation. The calculation reports Z-Score, Percentile and Percent Above This Value.

Normal Distribution is evaluated from Mean, Standard Deviation and Value x₁. The calculation reports P, P and P.

Probability is evaluated from Favorable Outcomes, Total Possible Outcomes and P. The calculation reports Probability P, Complement P = 1 - P and Odds For.

Combinations is evaluated from Total Items and Items to Choose. The calculation reports C - Combinations, P - Permutations and r!.

Permutations is evaluated from Total Items, Items to Arrange and Allow Repetition?. The calculation reports Permutations P, Combinations C and Circular Permutations.

Confidence Interval is evaluated from Sample Mean or Proportion, Sample Standard Deviation and Sample Size. The calculation reports Margin of Error, Lower Bound and Upper Bound.

P-Value is evaluated from Test Statistic, Test Type and Significance Level. The calculation reports P-Value, Decision and Interpretation.

Pearson Correlation is evaluated from X Values and Y Values. The calculation reports Pearson r, R^2 and Correlation Strength.

Linear Regression is evaluated from X Values, Y Values and Predict Y at x =. The calculation reports Slope, Y-Intercept and R^2.

Binomial Distribution is evaluated from Number of Trials, Number of Successes and Probability of Success. The calculation reports P - Exact, P - Cumulative and P - Complement.

IQR is evaluated from Data Values. The calculation reports Q1, Q2 - Median and Q3.

IQR and Five-Number Summary is evaluated from Sample Size n, Minimum value and First Quartile Q1. The calculation reports IQR, Lower Outlier Fence and Upper Outlier Fence.

ANOVA is evaluated from Group 1, Group 2 and Group 3. The calculation reports F-Statistic, df Between and df Within.

Chi-Square Test is evaluated from Observed Frequencies and Expected Frequencies. The calculation reports Chi-Square Statistic, Degrees of Freedom and Total Observations.