You can show any kind of relationship in a graph. One of my favourites is Charles Minard's graph illustrating Napoleon's army marching into and retreating from Russia.
See //en.wikipedia.org/wiki/French_invasion_of_Russia#Weather_as_a_factor
error bar
Show me the graphs and I'll get right on it for you.
Do all linear graphs have proportional relationship
error bar
error bar
error bar
Graphs and equations of graphs that have at least one characteristic in common.
graphs,distinguisment
No.
error bar can be drawn for statistical comparison of bars and graphs.
They illustrate the relationship between two (or more) variables.
Trends and influences