The Excel AVERAGE function calculates the average (arithmetic mean) of supplied numbers. Average is the arithmetic mean and is calculated by adding a group of numbers and then dividing by the count of those numbers. For example, the average of 2, 3, 3, 5, 7, and 10 is 30 divided by 6, which is 5. SyntaxAVERAGE(number1, [number2], . . . )The AVERAGE function syntax has the following arguments:Number1 Required. The first number, cell reference, or range for which the user wants the average. Number2, . . . Optional. Additional numbers, cell references, or ranges for which the user wants the average, up to a maximum of 255. The output of the given MS-Excel formula =AVERAGE (1, 0, 2, 9) is 3