Statistics and probability
Average CalculatorCalculate the average, sum, minimum, and maximum.
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Calculators forStatistics and probability
Analyze datasets and solve statistics and probability problems with tools for averages, dispersion, and combinatorics.
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Some tools fromStatistics and probability
Average Calculator
Calculate the average, sum, minimum, and maximum.
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Weighted mean
Calculate averages using custom weights.
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Grade calculator
Calculate the grade needed to reach your target.
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Z-score and normal distribution
Calculate a Z-score, percentile, and tail area with a normal distribution graph.
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All calculators ofStatistics and probability
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Statistics and probability
Weighted meanCalculate averages using custom weights.
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Grade calculatorCalculate the grade needed to reach your target.
Open calculator โStatistics and probability
Z-score and normal distributionCalculate a Z-score, percentile, and tail area with a normal distribution graph.
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Confidence intervalCalculate confidence bounds, margin of error, and standard error for a mean.
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Sample sizeEstimate the sample size needed for a survey.
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Linear regression calculatorCalculate the best-fit line, correlation, Rยฒ, RMSE, and predictions.
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Combinations and permutationsCalculate exact combinations and permutations.
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Simple probabilityCalculate probabilities from favorable outcomes.
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Basic statisticsCalculate mean, median, mode, and standard deviation.
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Attendance percentageCalculate attendance and absences.
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SummationCalculate the sum of a number sequence.
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Geometric meanCalculate the geometric mean of multiple positive values.
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Variance and standard deviationCalculate the variance and standard deviation of a list.
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Use these calculators for common tasks
1
Calculate the mean, median, and other descriptive statistics.
2
Analyze variance, deviation, and data distribution.
3
Solve probabilities, combinations and permutations.
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Frequently asked questions
About the calculators fromStatistics and probability
Which calculators does Statistics and probability include?
Averages, probability, combinations, variance, standard deviation, and data analysis. You will currently find 14 tools in this category.
Are the calculators of Statistics and probability free?
Yes. You can use the calculators available online without installing programs.
Do I need to create an account?
No. An account is optional. Signing in lets you save favorite tools and view your history.
Can I use these calculators on my phone?
Yes. The pages are designed to work on both phones and tablets and on computers.