# Mean Part 2

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Mean is the average of a group of numbers. It is calculated by adding all numbers in the group, and dividing the sum by the total count of the numbers in the group.

For example: Consider the group of numbers {4, 3, 4, 5, 8, 1, 1, 4, 3, 2}.

Sum of all the numbers = 4 + 3 + 4 + 5 + 8 + 1 + 1 + 4 + 3 + 2 = 35

The total count of the numbers is 10.

Now, divide the obtained sum by the total count of the numbers.

35 ÷ 10  = 3.5

So, the mean of the group of numbers is 3.5.

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### Help

##### Remember :

The smallest number is the one that comes first while counting.

##### Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.