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=DSTDEV(database, field, criteria)=
<div style="font-size:30px">'''DSTDEV (Array,Field,Criteria)'''</div><br/>
where,
where,
*<math>database</math> is the range of cells that makes up the list or database
*<math>Array</math> is the range of cells that makes up the list or database
*<math>field</math> shows which column is used in the function and
*<math>Field</math> shows which column is used in the function and
*<math>criteria</math> is the range of cells that contains the specified criteria.
*<math>Criteria</math> is the range of cells that contains the specified criteria.
DSTDEV() calculates the standard deviation of a population, based on a sample by using data in a database column that matches the specified condition.
DSTDEV(), estimates the standard deviation based on a sample of selected database entries.
== Description ==
== Description ==
DSTDEV(database, field, criteria)
DSTDEV (Array,Field,Criteria)
*Standard deviation shows the variation of data points from the average value.
*Standard deviation shows the variation of data points from the average value.
*If data points are close to mean value, a low standard deviation is observed. If data points are spread out from the mean value, a high standard deviation is observed.
*If data points are close to mean value, a low standard deviation is observed. If data points are spread out from the mean value, a high standard deviation is observed.
*A <math>field</math> argument can be expressed as "Salary" (a column name) or 3(position of the column).
*A <math>Field</math> argument can be expressed as "Salary" (a column name) or 3(position of the column).
*<math>criteria</math> can be any range on the Calci with minimum of one column and at least one row indicating the condition.
*<math>Criteria</math> can be any range on the Calci with minimum of one column and at least one row indicating the condition.
*The <math>criteria</math> columns should not overlap the list of data.
*The <math>Criteria</math> columns should not overlap the list of data.
== Examples ==
== Examples ==