Mean Part 1
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 {9, 1, 7, 6, 2}.
Sum of all the numbers = 9 + 1 + 7 + 6 + 2 = 25
The total count of the numbers is 5.
Now, divide the obtained sum by the total count of the numbers.
25 ÷ 5 = 5
So, the mean of the group of numbers {9, 1, 7, 6, 2} is 5.
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Help
The correct answer is
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.