 # Quartile

## Quartile,

### Definition of Quartile:

1. One of the three points that divide a range of data or population into four equal parts.

The first quartile (also called the lower quartile) is the number below which lies the 25 percent of the bottom data. The second quartile (the median) divides the range in the middle and has 50 percent of the data below it. The third quartile (also called the upper quartile) has 75 percent of the data below it and the top 25 percent of the data above it. See also interquartile range and percentile.

2. Each of four equal groups into which a population can be divided according to the distribution of values of a particular variable.

3. A quartile is a statistical term describing a division of observations into four defined intervals based upon the values of the data and how they compare to the entire set of observations. .

4. To understand the quartile, it is important to understand the median as a measure of central tendency. The median in statistics is the middle value of a set of numbers. It is the point at which exactly half of the data lies below and above the central value.

### How to use Quartile in a sentence?

1. I had to find the middle number between the smallest number and the median and my friend informed me that this was called the quartile .
2. Quartiles are used to calculate the interquartile range, which is a measure of variability around the median.
3. In the highest quartile, the mean age was 72.
4. Our applicant was in the first quartile for his intelligence assessment so it was evident that he had all of the necessary qualifications to succeed.
5. When you are trying to break down and crunch the numbers knowing where things stand on each quartile makes it easier.
6. A quartile divides data into three points – a lower quartile, median, and upper quartile – to form four groups of the data set.
7. The quartile measures the spread of values above and below the mean by dividing the distribution into four groups.

Meaning of Quartile & Quartile Definition