Python statistics.mean() Method

Python statistics 模块Python statistics Module

Python statistics.mean()Used to calculate the arithmetic mean (average) of a given dataset.

Syntax

The syntax of the statistics.mean() method is as follows:

statistics.mean(data)

Parameter description:

  • data-- An iterable containing numeric values, such as a list or tuple.

Return Value

The function calculates and returns the arithmetic mean of the dataset as the result.

Example

The following example demonstrates the mean() function:

Example

import statistics

data = [1, 2, 3, 4, 5]
mean = statistics.mean(data)
print(mean)

Output:

3.0

In the above example, the given dataset is [1, 2, 3, 4, 5], and the arithmetic mean calculated using the mean() function is 3.0.

The arithmetic mean is one of the commonly used statistics. It represents the sum of a set of data divided by the number of data points, and is used to measure the central tendency of a dataset.

Python statistics 模块Python statistics Module

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