Cht4-History Of Marks
Enter the data in a Google spreadsheet
Select the range from A3 to E7
Use row 3 as headers
Adjust the titles, legends etc as required
To create this second graph, you will need to calculate the average for each year.
Select the required data (similar to the first example, but include the yearly average you calculated).
Switch rows and columns
Use Column A as headers
User Row 3 as labels
Choose the Combo Chart (don't worry if there are too many lines, you will change this later)
Customize:
adjust the titles, legends etc as required
Data Series:
for each data series, Math, Science, English, History and Average
change Type to a column or line, as required
for the average line add a Point Size ( choose 7px)