The Excel Dstdev function computes the sample standard deviation of a field (column) in a database for only a subset of the entries. A collection of one or more user-specified criteria defines the records to be included in the computation.
Syntax :
=DSTDEV(database, field, criterion)
Parameters :
Database :
Field :
Criterion :
E.g. :
Age | Name |
>8 | Amy |
Example :
The Dstdev function is used in the following example to calculate the sample standard deviation of English scores earned by male students. Cells G1 – H2 specify the conditions, while cell G3 displays the Dstdev formula. The Dstdev function above computes the sample standard deviation of the values in cells E6, E9, and E12, and so gives 10.4 percent.
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