| Spread WinRT Documentation > Formula Reference > Formula Functions > QUARTILE | 
This function returns which quartile (which quarter or 25 percent) of a data set a value is.
QUARTILE(array,quart)
This function has these arguments:
| Argument | Description | 
|---|---|
| array | Array or cell range of numeric values for which you want the quartile value | 
| quart | Quartile value for the array (see the table below for returned values) | 
A quarter is 25 percent. So the quartile number is an integer between 0 (the minimum value in the data set) and 4 (the maximum value in the data set) and determines the value to return as listed in the table below.
| If the number is... | Then this function returns the... | 
|---|---|
| 0 | Minimum value | 
| 1 | First quartile (25th percentile) | 
| 2 | Median value (50th percentile) | 
| 3 | Third quartile (75th percentile) | 
| 4 | Maximum value | 
Accepts numeric data for all arguments. Returns numeric data.
QUARTILE(A1:A17,2)
QUARTILE(R1C1:R17C1,3)
QUARTILE({11,21,42,27,18,29,32,52},1) gives the result 20.25