1. For which is a chart legend used?
a. all of the time
b. whenever you are comparing data that is the same
c. whenever you are comparing multiple sets of data
d. only for hand-drawn charts
In a chart or graph in spreadsheet apps like Excel, the legend is most frequently situated on the right-hand side of the chart or graph and can occasionally be enclosed by a border. This is mostly used to compare data. So therefore the answer is C.
