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                                    The following table shows the average rainfall in 150 towns. Show the information by a frequency polygon. Average rainfall (cm) 0 - 20 20 - 40 40 - 60 60 - 80 80 - 100 No. of towns 14 12 36 48 40 | 
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Answer» The following table shows the average rainfall in 150 towns. Show the information by a frequency polygon.
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