# Median of Numbers-Definition, Formula

Median of Numbers, In statistics, the median is the middle value of a set of data when ordered in a certain order.

Data or observations might be arranged in ascending or descending order.

## Median of Numbers

For instance, the median of 1,3,5 is 3.

A median is a form of average that is used to locate the center value in mathematics. As a result, it’s also known as a measure of central tendency.

The mean and mode are the other two central trends, in addition to the median. The mean is the ratio of the total number of observations to the sum of all observations.

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The value in the supplied data-set that is repeated the majority of the time is known as the mode.

A median is also known as the central point of a polygon in geometry. The median of a triangle, for example, is the line segment from the triangle’s vertex to the center of the opposite sides.

As a result, the triangle’s sides are bisected by a median.

In statistics, the median

The middle number or center value in a set of data is called the median. The midpoint of the set is also known as the median.

To find the median, arrange the data in ascending order from least to greatest or greatest to least value. A median is a number that separates the upper and lower halves of a data sample, population, or probability distribution.

The median varies depending on the type of distribution.

### Median of Numbers

The median of 3, 3, 5, 9, 11 is 5, for example. When there are an even number of observations, the median is commonly defined as the average of the two middle values: for example, the median of 2, 5, 7, 10 is (5+7)/2 = 6.

The formula for the Median

Here is the formula for calculating the median of a finite number of data sets. For even and odd numbers of observations, the median formula is different.

As a result, we must first determine if we have an odd or even number of values in a given data set.

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The formula for calculating the data set’s median is as follows.

Odd Number of Observations

If the total number of observations is odd, the median is calculated using the following formula:

(n+1)/2thterm = Median

where n is the number of data points

Observations are evenly distributed

If there are an even number of observations, the median formula is:

[(n/2)th term + (n/2)+1th]/2 = Median

where n is the number of data points

How can you figure out what the median is?

Place all the numbers in ascending order and find the middle to obtain the median.

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#### Explanation 1:

Find the median of the following numbers: 13, 60, and 55.

solution:

In ascending order, write 13, 55, and 60.

The middle number is 55, so the median is 55.

```median(c(13,55,60))
55```

#### Explanation 2:

Calculate the median of the following:

`3, 17, 77, 25, 22, 23, 92, 82, 40, 24, 14, 12, 67, 23, 29, 40, 24, 14, 12, 67, 23, 29`

Solution:

When we arrange those integers in the correct order, There are fifteen different numbers in total. The eighth number is our middle:

This group of numbers has a median value of 24.

```median(c(3, 17, 77, 25, 22, 23, 92, 82, 40, 24, 14, 12, 67, 23, 29))
24```

#### Explanation 3:

During their summer vacation, George’s family drove to seven states. orange prices (\$) range from one state to the next. Calculate the average cost of orange.

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1.79, 1.61, 2.09, 1.84, 1.96, 2.11, 1.75, 1.84, 1.96, 2.11, 1.75

Solution:

Once we arrange the number from the data least to greatest then, as a result, the median cost of an orange is 1.84.

```median(c(1.79, 1.61, 2.09, 1.84, 1.96, 2.11, 1.75, 1.84, 1.96, 2.11, 1.75))
1.84```