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line graphs show a change over time

Q: Why do bar graphs have to start at zero but line graphs do not?

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A bar graph's data doesn't always start with zero but the scale on the y axis should. If you are not going to start the scale with zero then you have to put a squiggly line at the bottom to show that you skipped this space.

Line graphs and Bar graphs

No! Bar and line graphs are different bar graphs show bars and line graph shows lines.

line graphs, bar graphs,and circle

line graphs are usually the most best way to present data. sometimes i use pie graphs or bar graphs, but usually line graphs are the most meaningful.

Related questions

no but bar graphs do have to start at zero

A bar graph's data doesn't always start with zero but the scale on the y axis should. If you are not going to start the scale with zero then you have to put a squiggly line at the bottom to show that you skipped this space.

circle graphs add up to 100% , bar and line graphs don't

Line graphs and Bar graphs

math

Bar graphs and line graphs do not. Straight line, parabolic, and hyperbolic graphs are graphs of an equation.

No! Bar and line graphs are different bar graphs show bars and line graph shows lines.

pictograph

Bar graphs and line graphs.

line graphs bar graphs pictographs you are really sexy

Bar graph - "talaang bar" or "areglong bar" Line graph - "graing linya" or "larawang linya" Pie graph - "bilog na grap" or "parihabaing grap"

The three kinds of graph is bar graph, line graph, and pie graph. bar graph is used to compare two or more things. A line graph is used to show changes over time. A pie graph is used to show proportions.