How many variables can be on a line graph?

Answer 1

A line graph typically displays one or more variables, with each variable represented as a separate line. While you can technically plot multiple variables on a single line graph, clarity decreases with each additional line. Generally, it's best to limit the number of variables to avoid confusion, often suggesting no more than 3-5 lines for effective visualization. Each variable's line should be easily distinguishable, often through different colors or styles.