QUARTILES
Quartiles involve dividing a distribution of values into four equal parts. The top quartile is called the first quartile, and the bottom one is the fourth quartile.
Quartiling provides a convenient way to evaluate a distribution. It is also simple to apply.
for Dividing a Distribution into Quartiles
Sort the distribution into either ascending or descending order.
- Example (using sixteen observations):101, 102, 103, 104, 105, 106, 107, ...
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