DVAR

Returns the variance of a population sample selected from a database table-like array or range using a SQL-like query.

Sample Usage

Syntax

DVAR(database, field, criteria)

• database - The array or range containing the data to consider, structured in such a way that the first row contains the labels for each column's values.

• field - Indicates which column in database contains the values to be extracted and operated on.

  • field may either be a text label corresponding to a column header in the first row of database or a numeric index indicating which column to consider, where the first column has the value 1.

• criteria - An array or range containing zero or more criteria to filter the database values by before operating.

See Also

VAR: Calculates the variance based on a sample.

DVARP: Returns the variance of an entire population selected from a database table-like array or range using a SQL-like query.

DSUM: Returns the sum of values selected from a database table-like array or range using a SQL-like query.

DSTDEVP: Returns the standard deviation of an entire population selected from a database table-like array or range using a SQL-like query.

DSTDEV: Returns the standard deviation of a population sample selected from a database table-like array or range using a SQL-like query.

DPRODUCT: Returns the product of values selected from a database table-like array or range using a SQL-like query.

DMIN: Returns the minimum value selected from a database table-like array or range using a SQL-like query.

DMAX: Returns the maximum value selected from a database table-like array or range using a SQL-like query.

DGET: Returns a single value from a database table-like array or range using a SQL-like query.

DCOUNTA: Counts values, including text, selected from a database table-like array or range using a SQL-like query.

DCOUNT: Counts numeric values selected from a database table-like array or range using a SQL-like query.

DAVERAGE: Returns the average of a set of values selected from a database table-like array or range using a SQL-like query.

In order to use the DVAR formula, start with your edited Excellentable:

	A	B	C	D
1
2	Key	Student ID	Class	Grade
3	1	N1707	2012	79
4	2	N1327	2013	78
5	3	N1890	2013	81
6	4	N1122	2012	89
7	5	N1357	2012	92
8	6	N1652	2013	89
9	7	N7475	2012	92
10	8	N1314	2012	90
11
12
13	Criteria
14	Key	Student ID	Class	Grade
15			2012
16
17		DVAR	29.3