A teacher recorded the times taken by 20 boys to swim one length of the pool. The

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A teacher recorded the times taken by 20 boys to swim one length of the pool. The times are given to the nearest second. Using intervals 24-25, 26-27,..., draw a stem and leaf diagram to illustrate the results. 32 31 26 27 27 32 29 26 25 25 29 31 32 26 30 24 32 27 26 31

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