The table shows information about the masses of some dogs. a) Work out the minimum number of dogs that could have a mass of more than 27 kg. b) Work out the maximum number of dogs that could have a mass of more than 27 kg. Mass, x (kg) 0≤x≤10 10≤x≤20 20≤x≤30 30≤x≤40 Frequency 3 9 13 4
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