The answer depends very much on the sort of data and on what information the graph is meant to convey.
hell naw fedlin was here
It all depends on what kind of bar graph your're making, and also for what data your putting on it !
to represent and compare datas to it.
Instead of connecting points with a line, a bar graph uses bars to represent data.
legend>
BAR ;)
a bar graph
A point can represent a piece of data or an (x,y) value.
hell naw fedlin was here
There is no predetermined scale. You choose the scale so as to best represent the data.
Anytime.
A pie graph represent data as a part of a whole, showing the separate portions of the data in accordance to the whole.
Bar graph
It all depends on what kind of bar graph your're making, and also for what data your putting on it !
to represent and compare datas to it.
The area under the curve in a graph or chart represents the total value or quantity of the data being measured within that specific range or interval.
A concrete graph uses physical objects to represent data, such as bar graphs made with blocks. A pictorial graph uses pictures or symbols to represent data, like a graph showing ice cream sales using ice cream cones.