Microsoft Office Tutorials and References
In Depth Information
Using QUARTILE.INC to Break a Data Set into Quarters
IfyouwanttoreadallthedetailsabouttheHyndmanandFan
Method #X, check out www.daheiser.info/excel/notes/
NOTE%20N.pdf for a comparison of the methods.
Using
Using QUARTILE.INC
to Break a Data Set into Quarters
Use QUARTILE.INC to divide populations into groups.
QUARTILE.INC to Break a Data Set into Quarters
Note
MIN, MEDIAN, and MAX return the same value as QUARTILE.INC when
quartis equal to 0, 2, and 4, respectively.
Syntax
=QUARTILE.INC(array,quart)
=QUARTILE.EXC(array,quart)
The old QUARTILE function is included in Excel for compatibility only.
QUARTILE.INC is the renamed version of QUARTILE. The QUARTILE.INC func-
tion returns the quartile of a data set. Quartiles are often used in sales
and survey data to divide populations into groups. For example, you can use
QUARTILE.INC to find the top 25% of incomes in a population. These functions
take the following arguments:
array
array This is the array or cell range of numeric values for which
you want the quartile value. If array is empty, QUARTILE returns a
#NUM! error.
quart
quart This indicates which value to return. You use 0 for the min-
imum value, 1 for the first quartile (25th percentile), 2 for the median
value (50th percentile), 3 for the third quartile (75th percentile), and
4 for the maximum value. If quartis not an integer, it is truncated. If
quartis less than 0 or greater than 4, QUARTILE returns a #NUM! er-
ror.
In Figure 14.8 , the formulas in B20:C23 break out the limits for each quartile.
The formula in cell B20 is =QUARTILE.INC($B$2:$B$17,0) to find the minimum
value. The formula in cells C20 and B21 is =QUARTILE.INC($B$2:$B$17,1) to
define the end of the first quartile and the start of the second quartile.
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