Returns the average of the arguments, ignoring text.
Syntax:
AVERAGE(number1, number2, ... number30)
number1 to number30 are up to 30 numbers or ranges containing numbers.
Example:
AVERAGE(2, 6, 4)
returns 4, the average of the three numbers in the list.
AVERAGE(B1:B3)
where cells B1, B2, B3 contain 1, 3, and apple returns 2, the average of 1 and 3. Text is ignored.