Statistics

Run the numbers on a data set: mean, median and mode, standard deviation and variance, z-scores, confidence intervals, probability, and linear regression.

5 free statistics tools, no signup.

• Average CalculatorCalculate the average (mean) of a list of numbers, plus the count, sum, minimum, maximum, and range. Paste values separated by commas, spaces, or lines.
• Confidence Interval CalculatorCalculate a confidence interval for a mean or a proportion. Enter your sample stats and confidence level for the margin of error and bounds.
• Linear Regression CalculatorFit a least-squares line to x and y data. Get the slope, intercept, correlation r, r-squared, and a prediction.
• Mean Median Mode CalculatorCalculate the mean, median, mode, range, and sum of a list of numbers. Fast and private.
• Standard Deviation CalculatorFind population and sample standard deviation, variance, and mean for a list of numbers. Fast and private.