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The quartiles for a set of data are three values - the lower quartile, the median and the upper quartile - such that they divide the data set into four parts with an [approximately] equal number of observations in each. Thus:
- a quarter of all the observations are smaller than the lower quartile,
- a quarter of all the observations are between the lower quartile and the median,
- a quarter of all the observations are between the median and the upper quartile, and
- a quarter of all the observations are greater than the upper quartile.
The quartiles for a set of data are three values - the lower quartile, the median and the upper quartile - such that they divide the data set into four parts with an [approximately] equal number of observations in each. Thus:
- a quarter of all the observations are smaller than the lower quartile,
- a quarter of all the observations are between the lower quartile and the median,
- a quarter of all the observations are between the median and the upper quartile, and
- a quarter of all the observations are greater than the upper quartile.
The quartiles for a set of data are three values - the lower quartile, the median and the upper quartile - such that they divide the data set into four parts with an [approximately] equal number of observations in each. Thus:
- a quarter of all the observations are smaller than the lower quartile,
- a quarter of all the observations are between the lower quartile and the median,
- a quarter of all the observations are between the median and the upper quartile, and
- a quarter of all the observations are greater than the upper quartile.
The quartiles for a set of data are three values - the lower quartile, the median and the upper quartile - such that they divide the data set into four parts with an [approximately] equal number of observations in each. Thus:
- a quarter of all the observations are smaller than the lower quartile,
- a quarter of all the observations are between the lower quartile and the median,
- a quarter of all the observations are between the median and the upper quartile, and
- a quarter of all the observations are greater than the upper quartile.
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BlakeThe quartiles for a set of data are three values - the lower quartile, the median and the upper quartile - such that they divide the data set into four parts with an [approximately] equal number of observations in each. Thus:
- a quarter of all the observations are smaller than the lower quartile,
- a quarter of all the observations are between the lower quartile and the median,
- a quarter of all the observations are between the median and the upper quartile, and
- a quarter of all the observations are greater than the upper quartile.
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Are the upper and lower quartiles classed as averages?
No.
Are quartiles divided into four equal quarters?
Yes it does.
What are quartiles in relationship to mean median mode?
Quartiles are values that divide a sample of data into four groups containing the same number of observations. You will find details in the related link.
What does the distance between the quartiles tell you?
It gives you the interquartile range
What is the usefulness of quartiles in business?
It is a simple but crude measure of the spread of data.
