Mean, Median, Mode Calculator

Find the mean, median, mode and range of a data set.

Mean 30
Median 30
Mode none
Range 40

Formula: mean = sum÷n; median = middle value; mode = most frequent

Step-by-step with your numbers:
1. Values used:
2. Data Set = 10, 20, 30, 40, 50
3.
4. Mean = 30
5. Median = 30
6. Mode = none
7. Range = 40
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Three measures of the 'center' of your data, plus its range.

The math behind it

Mean = sum ÷ count. Median = the middle value when sorted. Mode = the most frequent value. Range = max − min.

Worked example

10,20,30,40,50 → mean 30, median 30, range 40.

FAQ

Which to use?

Median resists outliers; mean uses every value; mode shows the most common.