Final answer:
To calculate the average in Cell E34, use the formula '=AVERAGE(B4:D33)'. This will provide the average value for the range specified.
Step-by-step explanation:
In the June worksheet, for Cell E34, you would enter the following formula to calculate the AVERAGE value of all the numbers in the range B4:D33: =AVERAGE(B4:D33). This formula will compute the average (arithmetic mean) by adding all the numbers within the specified range and then dividing by the count of those numbers. Remember that the AVERAGE function automatically ignores empty cells within the range.