Median is the middlemost number in a set of numbers when the numbers are arranged in ascending or descending order.
For example: Consider the data {7, 4, 3, 8, 8}.
On arranging the numbers in ascending order, we have: 3, 4, 7, 8, 8.
So, the median is 7 as 7 is the middlemost number.
When the number count is even, we need to add both the middlemost numbers and divide the obtained result by 2.
For example: Consider the data {5, 9, 2, 6, 3, 4}.
On arranging the numbers in ascending order, we have: 2, 3, 4, 5, 6, 9
The two middlemost numbers are 4 and 5.
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So, the median is 4.5.
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The correct answer is
The smallest number is the one that comes first while counting.
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.