Use the following steps to complete this task in explanation:
Explanation/Reference:
Explanation:
Step 1: Click cell C7, and the click the Insert Function Button.

Step 2: In the Insert Function dialog box select Category Statistical, select function AVERAGE, and click OK.

The function Arguments Dialog box appears:

Step 3: Click on the Section 3 tab (left bottom part of the window).

Step 4: Locate the data for the first student. This well be cell range C2 to N2. Click C2 and then Shift-click cell N2. Then click the OK button.

Step 5: Copy cell C7 downwards until cell C29.

Result will be like: