I have a confusion about this. But, in my opinion predicter model should expressed as dashed line.
A dashed/dotted line if it is > or <. Otherwise use a regular line. Also shading is required.
line graph
You can use a bar graph or a line graph.
you would use a line graph
Gay
line or bar graph
You do not use a line graph if the data is not over time. If it just shows an amount or percentage, you would use it.
You want to use a line graph whenever you need to plot constant data
You would use a broken bar graph, when grouping and gathering information. You would use straight, slanted, or vertical lines and showing points with dots. A broken bar graph is just like a line graph.
Line graph
Line graph
You usually want to use a bar graph. If you have a year of data you probably want to use a line graph.