Related Topics:

Spreadsheet Mathematical Functions

Function Wizard Functions

VAR

Description: Estimates variance based on a sample (ignores logical values and text in the sample).

Syntax: VAR(Number1, Number2, ...)

Remarks:

where x is the sample mean AVERAGE(Number1, Number2,…) and n is the sample size.

Example:

Suppose 10 tools stamped from the same machine during a production run are collected as a random sample and measured for breaking strength. The sample values (1345, 1301, 1368, 1322, 1310, 1370, 1318, 1350, 1303, 1299) are stored in A2:A11, respectively. VAR estimates the variance for the breaking strength of the tools.

 

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