Question

What is/are the option(s) to distinguish data sets in a double line graph?

• A. Use different line colors for different data sets.
• B. Use different line formats such as solid, dashed, dotted, etc., for different data sets.
• C. Use different line thickness for different data sets.
• D. All of the above.

Answer 1

The correct option is D All of the above.

A double line graph is used to compare two data sets of same categories.
The lines are indicated with different colors, formats, and/or thicknesses to differentiate between two data sets.

Following is a double line graph of the number of sit-ups done by a 15 year old boy and a 16 year old boy in a particular week:

Here, different colors are used to differentiate the data sets, i.e., purple and green.

Other options are: