Respuesta :
The average function in Microsoft Excel calculates the mean of the cells.
The required formula is: =AVERAGE(E4:E11)
The syntax of the average function is: =AVERAGE(cells-range)
From the question, the cell range is: cell E4 to cell E11
This means that, the average formula would be:
=AVERAGE(E4:E11)
Hence, the formula to enter in cell E13 is:
=AVERAGE(E4:E11)
Read more about Excel formulas at:
https://brainly.com/question/1285762
