This question comes from a bus timetable. Work out the time taken for the bus to travel from the town square to the business park.
Tom reaches the railway station at $07{:}12$. He boards the next bus to the airport. Find the time at which he gets to the airport.
Use the diagram to estimate how many workers had a journey time of less than $30$ minutes.
Use the diagram to estimate the interquartile range of the data.
Use the diagram to estimate the percentage of workers whose journey lasted more than $1$ hour.
Chen’s commute to work is $37\text{ km}$, correct to the nearest kilometre. On Monday, his journey takes $43$ minutes, correct to the nearest minute. Calculate the lower bound of the average speed for this journey. Give your answer in kilometres per hour.