Arithmetic mean
Calculate the arithmetic mean of a list of numbers. See the sum, number of observations and division steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Mean = sum of values ÷ number of values
Variables & units
- Data values
- comma separated
Worked example
4, 8, 6, 10, 2 have a mean of 6.
Assumptions
Enter up to 200 numbers, separated by commas or spaces. All observations have equal weight.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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