al This table shows the number of lorries passing a

Last updated: 4/16/2023

al This table shows the number of lorries passing a checkpoint each hour between 6 am and 8 pm one day Find the median and interquartile range IQR of the checkpoint times Enter your first answer as a 4 digit number e g 0738 median IQR hrs mins 3 4 i m time 0600 0700 07000800 0800 0900 0900 1000 1000 1100 1100 1200 1200 1300 1300 1400 1400 1500 1500 1600 1600 1700 1700 1800 1800 1900 1900 2000 lorries 6 2 10 5 9 9 10 8 3 5 3 6 8 7 01 V cum freq Mark it