The MIDRANGE (middle range) function returns a numeric value that is the arithmetic mean (average) of the values of the minimum argument and the maximum argument. The type of this function is numeric. 
 
  General Format
 
	  
	  
 
  Arguments
 
	   
	 - Argument-1 must be class numeric. 
	 
Returned Values
 
	   
	 - The returned value is the arithmetic mean of the greatest argument-1 value and the least argument-1 value. 
	 
- The comparisons used to determine the greatest and least values are made according to the rules for relation conditions. See the topic 
		Relation Condition in the chapter 
		Procedure Division. 
	 
- Floating-point format is used for numeric non-integer results.