Statistics

Mean, Median, Mode Calculator

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

Calculated Output

Mean 30

Median 30

Mode none

Range 40

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

Step-by-Step Breakdown

1. Values used:

2. Data Set = 10, 20, 30, 40, 50

4. Mean = 30

5. Median = 30

6. Mode = none

7. Range = 40

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The math behind it

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

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

Which to use?

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