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*Bar Graph- a bar graph uses bar to show data. Either vertical or horizontal. The data can be showed as a word or number.

*Picture Graph- uses pictures, symbols, signs to show data. A key is needed too to understand the picture. One picture means one vote.

*Histogram- it is a special kind of bar graph that shows history, that why it's called histogram and the data should be shown in order. The data should be shown as numbers.

*Line Graph- a line graph is a plotted points. Then the points are connected to form a line.