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Graphs and data

Data goes in (raw), information is what you get out of the data and is more understandable.

Graphs are used to view the information in an understandable manner.

Tables are used for small amounts of data and are used in written reports

Pie charts only work if you know the total amount of data.

Line graphs are good for show progress (peaks and recesses)

Frequency distribution is used when making observations with different frequencies e.g.

Children per household|   Number of families

0                                                   5

1                                                   12

2                                                   17

3                                                   8

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