Python statistics.mean() Method

Example

Calculate the average of the given data:

# Import statistics Library
import statistics

# Calculate average values
print(statistics.mean([1, 3, 5, 7, 9, 11, 13]))
print(statistics.mean([1, 3, 5, 7, 9, 11]))
print(statistics.mean([-11, 5.5, -3.4, 7.1, -9, 22]))

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Definition and Usage

The statistics.mean() method calculates the mean (average) of the given data set.

Tip: Mean = add up all the given values, then divide by how many values there are.

Syntax

statistics.mean(data)

Parameter Values

Parameter	Description
data	Required. The data values to be used (can be any sequence, list or iterator)

Note: If data is empty, it returns a StatisticsError.

Technical Details

Return Value:	A `float` value, representing the average of the given data
Python Version:	3.4

❮ Statistic Methods