Descriptive Statistics Calculator
Result
Count (n) 10
Sum 472
Minimum 12
Maximum 89
Range 77
Mean 47.2
Median 45
Mode (most frequent) 23
Std Dev (sample) 25.2973
Variance (sample) 639.9556
Q1 (25th percentile) 23
Q3 (75th percentile) 67
IQR 44
Skewness (Pearson) 0.2609
Descriptive Statistics Calculator is a mathematics calculator that helps you calculate statistical measures from a data set. The formula used is: Comprehensive summary: Mean, Median, Mode, Std Dev, Variance, Q1, Q3, IQR, Skewness. Ensure all inputs share the same unit system (e.g. all metres or all feet) unless the formula converts between units.
Formula
Comprehensive summary: Mean, Median, Mode, Std Dev, Variance, Q1, Q3, IQR, Skewness
Worked example
Inputs
- Numbers (comma-separated): 8, 12, 15, 18, 22, 27
Suppose you enter: your chosen values. The calculator applies the formula (Comprehensive summary: Mean, Median, Mode, Std Dev, Variance, Q1, Q3, IQR, Skewness) and shows all output values below. Change any input field to immediately see how the result changes.
Frequently asked questions
What is the Descriptive Statistics?
The Descriptive Statistics Calculator is a mathematics calculator that helps you calculate statistical measures from a data set. Ensure all inputs share the same unit system (e.g. all metres or all feet) unless the formula converts between units.
When should I use this calculator?
Use this calculator whenever you need a quick, accurate result for statistical measures from a data set without working through the arithmetic manually.
What units should I enter?
Ensure all inputs share the same unit system (e.g. all metres or all feet) unless the formula converts between units.
How accurate are the results?
Results are mathematically exact given the formula and your inputs. Rounding to decimal places may introduce small display differences.
How do I interpret the result?
Check that all inputs are in the valid range for the formula. Some operations (e.g. square root, division) require non-negative or non-zero values.
How can I verify the calculation manually?
Use the displayed formula and work through the numbers step by step. If your manual result differs slightly, check rounding and unit conversions first.
Can I use this for planning and budgeting?
Yes. Run best-case, expected, and worst-case inputs to compare outcomes and make safer planning decisions.