Graphing NotesMrs. Hostetler

Bar Graph

• Definition:– Used to compare quantitative data

(numbers) and qualitative data (places orthings).

Bar Graph

• What do they looklike?

They have aseries of bars ofdifferent heights toshow comparison.

Bar Graph

• What are thedifferent types of bargraphs?– Histograms– Pictograms

Circle Graph

• Definition:– Used to give a quick view of the

relationships among parts of a whole.– The values always add up to 100%

Circle Graph

• What do they looklike?– They are circles with

different amountsgiven to their “pieslices”

Circle Graph

• What are thedifferent types ofcircle graphs?– Circle graphs can

also be called piegraphs or pie charts

Line Graph

• Definition:– Show the relationship between two

quantities as those quantities arechanging.

– They always show data over time

Line Graph

• What do they looklike?– They have plots on

each axes and thoseaxes are connectedby a line

• Temperatures In NY City• Day Temperature• 1 43° F• 2 53° F• 3 50° F• 4 57° F• 5 59° F• 6 67° F

Line Graph

• What are thedifferent types ofline graphs?– There are some

types of line graphsthat have two lines inthe same graph