he would like to get rid of the graph. what will accomplish
this task?

o clicking on the text only icon from the control drop-
down menu
o clicking on the merge formatting icon from the control
drop-down menu
o double-clicking on the control button, and undoing the
paste
o double-clicking on the graph area, and undoing the paste

All options may be incorrect

Explanation:

In ribbon tab there is page layout please select if end-user using word 2007 or word 2010

And if the end-user has to choose a design tab from the ribbon tab if he or she using word 2013 or word 2016.

Change the color setting to no color by click on page click and page background group end-user can get rid of the graph in the word document

After doing all the above method still, graph chart is visible better to close word document  and open the different template and try this last option to rid of the graph in a word document