5 Number Summary Calculator
Compute the five-number summary (minimum, first quartile, median, third quartile, maximum) of a dataset.
Published by:
isCalculator Editorial Team
Was this calculator helpful?
How to use this tool?
Follow these steps to calculate the five-number summary for your data set:
- Enter your data in the text area labeled "Data Set". Separate numbers using commas, spaces, or new lines (e.g.,
12, 15, 20, 22, 25, 30, 35). - Click the "Calculate" button.
- View the results displayed as:
- Minimum – the smallest value.
- Q1 – first quartile (median of the lower half).
- Median – the middle value (Q2).
- Q3 – third quartile (median of the upper half).
- Maximum – the largest value.
Note: The calculator automatically sorts your data and uses the standard method for quartiles (excluding the median when splitting halves for odd-length data sets). If you see an error, ensure all entries are valid numbers.
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
A five-number summary consists of the minimum, first quartile (Q1), median, third quartile (Q3), and maximum of a dataset. It provides a quick overview of the distribution.
The median divides the data into two halves. Q1 is the median of the lower half, and Q3 is the median of the upper half. For even number of data points, the median is the average of the two middle values.
Yes, you can separate numbers by commas, spaces, or new lines. The calculator will parse them automatically.
