Master Statistics with Interactive Calculators
Free online statistics calculators with step-by-step solutions and comprehensive learning guides. Perfect for students, researchers, and professionals.
Data Set
12, 15, 18, 22, 25, 28, 30, 35
Mean
23.13
Median
23.5
Mode
None
Accuracy
99.9%
Calculations
1M+
Statistics Calculators
Choose from our collection of professional-grade statistics calculators. Each comes with detailed guides and visualizations.
Mean, Median, Mode
Calculate measures of central tendency for any dataset.
Standard Deviation
Measure the spread and variability of your data.
Probability
Calculate probabilities for various events and distributions.
Z-Score
Convert raw scores to standardized z-scores.
Correlation
Find the relationship between two variables.
Linear Regression
Build predictive models from your data.
Sample Size
Determine the optimal sample size for your study.
Confidence Interval
Calculate confidence intervals for population parameters.
Chi-Square Test
Test independence and goodness of fit.
ANOVA
Compare means across multiple groups.
Why Choose StatCalc Pro?
Built for accuracy, designed for learning. Our calculators combine powerful computation with educational resources.
Instant Results
Get accurate calculations in milliseconds with our optimized algorithms.
Step-by-Step Guides
Learn the concepts behind each calculation with detailed explanations.
Visual Charts
Understand your data with interactive visualizations and plots.
Privacy First
All calculations happen in your browser. Your data never leaves your device.