The table shows the duration, in minutes, of 64 telephone calls made from a High Street call

Question:

The table shows the duration, in minutes, of 64 telephone calls made from a High Street call box in a day.

Length of call (min) Frequency 0- 14- 3 7 22 20 12- 6 15- 6 21- 0 Draw a frequency polygon to illustrate the data.

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