Mean

Yaser Rahmati | یاسر رحمتی

Definition

Calculating the average (mean) of a set of numbers involves adding up all the numbers and then dividing the sum by the total count of numbers.

Example

I’ll walk you through an example step by step.

Step 1:

Let’s say we have the following set of numbers:

[ 4, 8, 6, 2, 5, 9, 12 ]

Step 2:

Add up all the numbers

[ 4 + 8 + 6 + 2 + 5 + 9 + 12 = 46 ]

Step 3:

Count the total numbers In our case, we have 7 numbers in the set.

Step 4:

Divide the sum by the total count of numbers.

$$\text{Average} = \frac{46}{7} \approx 6.571$$

So, the average (mean) of the given set of numbers ( $[4, 8, 6, 2, 5, 9, 12]$) is approximately 6.571.

Python

import numpy

numbers = [4, 8, 6, 2, 5, 9, 12]

avg = numpy.mean(numbers)

print(avg)

When you run this code with the given list of numbers, it will calculate the average using sympy and print the result.

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