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The following data shows the speeds (in km/h) recorded by a radar on a highway during 12 different times of the day: $$88.4,\ 91.0,\ 95.7,\ 102.3,\ 89.6,\ 100.0,\ 97.5,\ 92.1,\ 94.3,\ 90.8,\ 93.2,\ 96.6$$Find the
range
of the speeds.
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