DEVSQ

Returns the sum of squares of deviations of data points from their sample mean.

Syntax

DEVSQ(number1,number2, ...)

Number1,number2, ... are 1 to 30 arguments for which you want to calculate the sum of squared deviations. You can also use a single array or a reference to an array instead of arguments separated by commas.

Remarks

The arguments must be numbers, or names, arrays, or references that contain numbers.
If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.
The equation for the sum of squared deviations is:

Example

The example may be easier to understand if you copy it to a blank spreadsheet.

Show How?

Create a blank spreadsheet.
Select the example in the Help topic.

Selecting an example from Help
Press CTRL+C.
In the spreadsheet, select cell A1, and press CTRL+V.
To switch between viewing the formula that returns the result and the result in the cell, select the cell and press F2 and then ENTER, or click Commands and Options on the spreadsheet toolbar, click the Formula tab, and look in the Formula in active cell (active cell) box.

Data
4
5
8
7
11
4
3
Formula	Description (Result)
=DEVSQ(A2:A8)	Sum of squares of deviations of data above from their sample mean (48)