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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.