In cell b20, enter a function to calculate the average attendance for 2018

=Average(Cell Range)

Explanation:

The function that is used to calculate the average value of a data set or the mean in Ms. Excel is;

AVERAGE function.

In the cell B20, Enter the function;

=Average

Then select the entire attendance for 2018 as the arguments of the function. Finally, press the enter key on your keyboard.

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