Statistic Calculators

Basic Statistics Calculator (data)

Access comprehensive statistics for a single sample, including mean, variance, standard deviation, minimum, maximum, range, quartiles, IQR, and more with our powerful calculator.

Z-Score Calculator

Calculate Z-Score Online - Free Statistics Calculator | Easily find Z-Scores with our user-friendly tool. Input your data point, mean, and standard deviation, and get accurate results instantly. Rounded to perfection for your convenience!

How old are you REALLY?

Discover your exact age down to the minute! Our free statistics calculator instantly calculates your precise age, factoring in your birth date and, for even greater accuracy, your time of birth. Unearth the finer details of your journey through time with our precision age calculator.

Convert a Percentile to a Data Value (data)

Effortlessly find a specific percentile from any given data set. Unlock the insights hidden in your data with ease and accuracy, empowering your statistical analyses. Try our user-friendly tool now and elevate your understanding of data distribution for smarter decision-making. Your journey to statistical mastery begins here, where precision meets simplicity – all at your fingertips, all for free.

Convert a Data Value to a Percentile (data)

Calculate the percentile of any data value within a given data set effortlessly. Unlock insights and streamline your data analysis with our user-friendly tool. Try it now for accurate and efficient percentile calculations, empowering you to make informed decisions with confidence.

Histogram Maker (data)

Create customizable histograms effortlessly with our free statistics calculator. Input your dataset, adjust class intervals, and choose between frequency or percentage representation for the y-axis. Visualize your data distribution with ease!

Confidence Interval Calculators

Estimating a Population Mean (data)

Calculate Population Mean Online | Free Statistics Calculator
Easily find the population mean of your data set with our free online statistics calculator. No need for complex formulas - just input your data and get instant results!

Estimating a Population Mean (statistics)

Calculate Population Mean | Free Statistics Calculator - Quickly find the mean of your data set with our easy-to-use online tool. Input your statistics, get instant results. Try it now!

Estimating a Population Proportion (ratio)

Calculate Population Proportion from Sample Ratio | Free Statistics Calculator - Easily determine the population proportion with our user-friendly online tool. Input your known sample ratio, and get precise results instantly. Simplify your statistical analysis for free!

Estimating a Population Proportion (percentage)

Calculate Population Proportion from Sample Percentage | Free Statistics Calculator - Estimate population proportion effortlessly! Use our free statistics calculator to determine the population proportion with ease, based on a known sample percentage. Accurate, quick, and hassle-free calculations for your statistical needs.

Estimating a Population Variance (data)

Calculate Population Variance - Our free statistics calculator helps you easily compute population variance from your data set. Accurate statistical analysis made simple!

Estimating a Population Variance (statistics)

Calculate Population Variance from a list of statistics - Our free statistics calculator helps you easily compute population variance from a list of stats. Get accurate insights into data spread effortlessly!

Estimating a Population Standard Deviation (data)

Calculate Population Standard Deviation Online - Instantly compute the standard deviation of your data set with our free statistics calculator. Accurate, easy-to-use, and no downloads required!

Estimating a Population Standard Deviation (statistics)

Calculate Population Standard Deviation Online: Easily find the standard deviation of a population using our free statistics calculator. Input your data, and get accurate results instantly. Simplify your statistical analysis today!

Sample Size Calculators

Sample Size Calculator (Mean)

Discover the Power of Precision: Calculate the Ideal Sample Size for Your Study with Ease! Our Free Statistics Calculator Subpage Helps You Determine the Sample Size Required to Estimate a Population Mean Accurately. Maximize Your Research's Impact Today.

Sample Size Calculator (Proportion)

Calculate the perfect sample size for your study with our free statistics calculator. Determine the ideal sample size based on a known percentage from the population. Ensure the accuracy of your research with confidence. Try it now for precise, data-driven results.

Sample Size Calculator (Variance)

Calculate the optimal sample size for your research study with ease. Our free statistics calculator subpage helps you determine the ideal sample size using a known population variance. Ensure the accuracy and reliability of your research findings. Try it now!

Hypothesis Testing Calculators

Testing a Population Mean (data)

Test your hypotheses with precision! Calculate the significance of your population mean claim versus your sample mean using our free statistics calculator. Make data-driven decisions with confidence.

Testing a Population Mean (statistics)

Test Your Hypotheses with Confidence! Use Our Free Statistics Calculator to Assess Population Mean Claims Against Your Sample Data. Make Informed Decisions Now.

Testing a Population Proportion (ratio)

Unlock the Power of Data: Calculate Hypothesis Tests for Population Proportions effortlessly with our Free Statistics Calculator. Easily determine statistical significance using the ratio of two numbers. Make Informed Decisions with Confidence!

Testing a Population Proportion (percentage)

Perform a hypothesis test for population proportion with ease! Our free statistics calculator subpage helps you analyze data when you know a percentage of the population. Accurate, user-friendly, and no cost – statistics made simple.

Testing a Population Standard Deviation (data)

Easily conduct hypothesis testing for population standard deviation using our free online statistics calculator. Analyze your data set for confidence intervals and significance levels. Make informed decisions with our powerful statistical tool.

Testing a Population Standard Deviation (statistics)

Conduct Hypothesis Tests for Population Standard Deviation with Ease! Our Free Statistics Calculator Subpage Empowers You to Analyze Data Sets and Make Informed Decisions. Try It Now!

Multivariate Calculators

Independent t-Test

Compare two sample means effortlessly and determine if the observed differences are statistically significant. Analyze your data with confidence, as our user-friendly interface guides you through the process, providing accurate results for informed decision-making. Unlock the power of statistics without the hassle—try our free independent t-test calculator today!

Before & After (Matched Pairs)

Conduct a dependent t-test (matched pairs) for two data sets to assess their statistical significance and relationship.

Goodness-of-Fit (Uniform)

(Uniform Distribution) Test the fit of your data to a Uniform Distribution using our Goodness-of-Fit analysis tool.

Goodness-of-Fit (Various Percents)

(Various Percentages) Conduct a comprehensive Goodness-of-fit test with various percentages from our user-friendly website

Correlation

Explore the significance of correlations with hypothesis testing on a correlation coefficient using our interactive tool.

One-way ANOVA

Explore the results of a One-way ANOVA hypothesis test to analyze the impact of different factors on the data.