Question 14GastricThe frequency distribution of the speed, in kilometres per hour (km/h), of a sample of vehicles travelling ona national highway is given in the following table:ChymeThe pr-pəəds105,5 – 110,5Frequencyinto the110,5 – 115,5115,5 – 120,5Elimin120,5 – 125,5Emul=125,5 – 130,5130,5 – 135,5Dige=The best estimate of the standard deviation of the speed of the vehicles, rounded to two decimal places, isosq[I]50,00 km/h.123,00 km/h.7,07 km/h.2,77 km/h.

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Description: Question 14GastricThe frequency distribution of the speed, in kilometres per hour (km/h), of a sample of vehicles travelling ona national highway is given in the following table:ChymeThe pr-pəəds105,5 – 110,5Frequencyinto the110,5 – 115,5115,5 – 120

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Question 14 The frequency distribution of the speed, in kilometres per hour (km/h), of a sample of vehicles travelling on a national highway is given in the following table: Speed Frequency 105,5 - 110,5 110,5 - 115,5 115,5 - 120,5 4. 120,5 – 125,5 125,5-130,5 130,5 - 135,5 The best estimate of the standard deviation of the speed of the vehicles, rounded to two decimal places, is [1] 50,00 km/h. 123,00 km/h. 7,07 km/h. 2,77 km/h.

Question 14 The frequency distribution of the speed, in kilometres per hour (km/h), of a sample of vehicles travelling on a national highway is given in the following table: Speed Frequency 105,5 - 110,5 110,5 - 115,5 115,5 - 120,5 4. 120,5 – 125,5 125,5-130,5 130,5 - 135,5 The best estimate of the standard deviation of the speed of the vehicles, rounded to two decimal places, is [1] 50,00 km/h. 123,00 km/h. 7,07 km/h. 2,77 km/h.

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