Quartile (Noun)
Meaning
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores.
Classification
Nouns denoting cognitive processes and contents.
Examples
- The median is the second quartile, which divides the data into two equal parts, with half the scores above it and half below.
- The first quartile is the 25th percentile, which means that 25% of the data points are below this value.
- In a normal distribution, the mean, median, and quartiles are all located at the same point, which is the center of the distribution.
- The interquartile range is the difference between the third quartile and the first quartile, and it provides a measure of the spread of the data.
- The box plot shows the five-number summary, which includes the minimum value, the first quartile, the median, the third quartile, and the maximum value.