Mode = 21
Mean, Median, Mode, Range Calculator
Use this free mean, median, mode, range calculator to find the average, middle value, most frequent value, range, sorted data, steps, copy, and history.
Formula steps Examples included Copy results Private history
Mean, median, mode, rangeMean 17.2222222222
- Mean
- 17.2222222222
- Median
- 18
- Mode
- 21
- Range
- 15
Steps
- Sort the data: 10, 12, 12, 15, 18, 21, 21, 21, 25.
- Add all values for sum 155 and divide by 9.
- Use the middle value for the median and most frequent value for the mode.
- Subtract min 10 from max 25 for the range.
How to use the mean, median, mode, range calculator
- Enter the data set using commas, spaces, or line breaks.
- Press Calculate summary to see the mean, median, mode, and range.
- Review the sorted values to understand how the center and spread were found.
- Use examples, recent answers, or copy the answer while doing quick statistics checks.
Common uses
Find the average, median, most frequent value, and range quickly.
Check small data sets for school, study, and everyday comparisons.
See sorted data so the median and range are easy to verify.
Copy the four headline statistics into notes or homework.
Examples
No mode
Range = 21
Frequently asked questions
Quick answers about formulas, inputs, examples, result copying, and private in-browser history.
What is the mean?
The mean is the arithmetic average. Add all values, then divide by how many values there are.
What is the median?
The median is the middle value after the data is sorted. If there are two middle values, their average is the median.
What is the mode?
The mode is the most frequent value. A data set can have one mode, multiple modes, or no mode.
What is the range?
The range is the maximum value minus the minimum value.
When should I use the full Statistics Calculator?
Use the full Statistics Calculator when you also need quartiles, variance, standard deviation, count, or sum.
Is my data history private?
Yes. Recent answers stay only in the current browser tab while you use the page. They are not sent to a server.
Related tools
Statistics Calculator Calculate count, sum, mean, median, mode, range, quartiles, variance, and standard deviation. Open Standard Deviation Calculator Calculate sample or population standard deviation, variance, mean, and count. Open Z-score Calculator Calculate a z-score and approximate standard normal percentile. Open