The VARIANCE function returns a numeric value that approximates the variance of its arguments. The type of this function is numeric. 
 
  General Format
 
	  
	  
 
  Arguments
 
	   
	 - Argument-1 must be class numeric. 
	 
Returned Values
 
	   
	 - The returned value is the approximation of the variance of the argument-1 series. 
	 
- The returned value is defined as the square of the standard deviation of the argument-1 series. (See the topic 
		The STANDARD-DEVIATION Function.) 
	 
- If the argument-1 series consists of only one value, or if the argument-1 series consists of all variable occurrence data items and the total number of occurrences for all of them is one, the returned value is zero. 
	 
- Floating-point format is used for numeric non-integer results.