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Excel Weighted Average
A | B | |
---|---|---|

1 | = ( 5 + 10 + 15 ) / 3 | |

2 | ||

3 |

The most basic Excel Average Formula consists of the = sign, followed a sum of two or more values, divided by the number of values in the group.

A simple Excel average formula, which calculates the average of the three values 5, 10 and 15, is shown in
cell A1 of the above spreadsheet on the right.
As expected, this formula returns the result
*10*.

Instead of using the + and / operators, as shown above, you can use the built-in Average function to calculate an average in Excel. This function is called by entering the following into an Excel cell:

=AVERAGE( number1, [number2], ... )

A | B | |
---|---|---|

1 | =AVERAGE( B1, B2, B3 ) | 5 |

2 | 10 | |

3 | 15 |

where number1, [number2], etc. are one or more numbers (or references to cells containing numbers) that you want to calculate the average of.

Cell A1 the above spreadsheet on the right
shows an example of the Excel Average function, used to calculate the average of the three values in cells
B1, B2 and B3. Again, the formula returns the value *10*.

Further information and examples of the Average function are provided on the Excel Average Function page.